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Background and Aim: Literature suggests that individuals who have recovered from COVID-19 may experience post-COVID conditions, including sleep problems and alterations in smell or taste. Thus, this study aims to compare the sleep quality, diet quality, and weight change between COVID-19-recovered patients and healthy controls. Methods: A matched case-control study involving young adults aged 18-30 years was conducted in the Klang Valley of Malaysia. The young adults were matched in a 1:1 ratio based on their sociodemographic characteristics, including gender, age, marital status, ethnicity, educational attainment, employment status, and monthly earned income. The Pittsburgh Sleep Quality Index was utilized to evaluate sleep quality, and the Diet Quality for Malaysia was used to determine the diet quality of all young adults. The young adults retrospectively recalled their prepandemic body weight in February 2020, while their current body weight in February 2023 was measured using a TANITA HD-314 digital weighing scale. Results: Emerging findings suggest that sleep quality and weight change were comparable between COVID-19-recovered patients and healthy controls. However, healthy controls were reported to have a more diversified diet than COVID-19-recovered patients. Nevertheless, no significant main effects or interaction effects of sleep and diet quality on weight change were observed in COVID-19-recovered patients or healthy controls. In this study, young adults also reported suffering from sleep deprivation and deficiency due to the pandemic. Conclusion: Intervention programs that emphasize avoiding stimulants before bedtime for healthy controls, promoting the importance of having a diversified and balanced diet among the COVID-19-recovered patients, and achieving an ideal body weight for all young adults should be conducted after the COVID-19 pandemic.

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Introduction: Single-cell multi-omics studies, such as multidimensional transcriptomics (whole transcriptomic analysis, WTA), and surface marker analysis (antibody sequencing, AbSeq), have turned out to be valuable techniques that offer inaccessible possibilities for single-cell profiling of mRNA, lncRNA, and proteins. Methods: We used this technique to understand the dynamics of mRNA and protein-level differences in healthy, COVID-19-infected and recovered individuals using peripheral blood mononuclear cells (PBMCs). Our results demonstrate that compared to mRNA expression, protein abundance is a better indicator of the disease state. Results: We demonstrate that compared to mRNA expression, protein abundance is a better indicator of the disease state. We observed high levels of cell identity and regulatory markers, CD3E, CD4, CD8A, CD5, CD7, GITR, and KLRB1 in healthy individuals, whereas markers related to cell activation, CD38, CD28, CD69, CD62L, CD14, and CD16 elevated in the SARS-CoV-2 infected patients at both WTA and AbSeq levels. Curiously, in recovered individuals, there was a high expression of cytokine and chemokine receptors (CCR5, CCR7, CCR4, CXCR3, and PTGRD2). We also observed variations in the expression of markers within cell populations under different states. Discussion: Furthermore, our study emphasizes the significance of employing an oligo-based method (AbSeq) that can help in diagnosis, prognosis, and protection from disease/s by identifying cell surface markers that are unique to different cell types or states. It also allows simultaneous study of a vast array of markers, surpassing the constraints of techniques like FACS to query the vast repertoire of proteins.

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There is mounting evidence regarding the role of gut microbiota in anorexia nervosa (AN). Previous studies have reported that patients with AN show dysbiosis compared to healthy controls (HCs); however, the underlying mechanisms are unclear, and data on influencing factors and longitudinal course of microbiome changes are scarce. Here, we present longitudinal data of 57 adolescent inpatients diagnosed with AN at up to nine time points (including a 1-year follow-up examination) and compare these to up to six time points in 34 HCs. 16S rRNA gene sequencing was used to investigate the microbiome composition of fecal samples, and data on food intake, weight change, hormonal recovery (leptin levels), and clinical outcomes were recorded. Differences in microbiome composition compared to HCs were greatest during acute starvation and in the low-weight group, while diminishing with weight gain and especially weight recovery at the 1-year follow-up. Illness duration and prior weight loss were strongly associated with microbiome composition at hospital admission, whereas microbial changes during treatment were associated with kilocalories consumed, weight gain, and hormonal recovery. The microbiome at admission was prognostic for hospital readmission, and a higher abundance of Sutterella was associated with a higher body weight at the 1-year follow-up. Identifying these clinically important factors further underlines the potential relevance of gut microbial changes and may help elucidate the underlying pathophysiology of gut-brain interactions in AN. The characterization of prognostically relevant taxa could be useful to stratify patients at admission and to potentially identify candidate taxa for future supplementation studies aimed at improving AN treatment.

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Estimating severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) -specific immunoglobulin G (IgG) immunoglobulin M (IgM) antibodies are increasingly important for tracking the spread of infection and defining herd immunity barrier and individual immunization levels in the ongoing coronavirus disease 2019 (COVID-19) pandemic. Therefore, we conducted the present systematic review and meta-analysis to evaluate the seroprevalence of SARS-CoV-2 IgM and IgG antibodies of recovered COVID-19 patients in long-term follow-up studies. A systematic search of the MEDLINE, Embase, COVID-19 Primer, PubMed, CNKI, and the Public Health England library databases was conducted. Twenty-fourth eligible studies were included. Meta-analysis showed that 27% (95%CI: 0.04-0.49) and 66% (95%CI:0.47-0.85) were seropositive for SARS-CoV-2 IgM and IgG, respectively, while in long-term 12 months following up studies, the seroprevalences of IgM antibody (17%) decreased and IgG antibody (75%) was higher than 6 months follow-up patients. However, due to the limited number of relevant studies, the high level of heterogeneity, and the large gap in studies conducted, the findings of our study may not accurately reflect the true seroprevalence status of SARS-CoV-2 infection. Nevertheless, sequential vaccination or booster immunization is considered to be a necessary long-term strategy to sustain the fight against the pandemic.

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COVID-19 has emerged as a global pandemic, challenging the world's economic and health systems. Human oral microbiota comprises the second largest microbial community after the gut microbiota and is closely related to respiratory tract infections; however, oral microbiomes of patients who have recovered from COVID-19 have not yet been thoroughly studied. Herein, we compared the oral bacterial and fungal microbiota after clearance of SARS-CoV-2 in 23 COVID-19 recovered patients to those of 29 healthy individuals. Our results showed that both bacterial and fungal diversity were nearly normalized in recovered patients. The relative abundance of some specific bacteria and fungi, primarily opportunistic pathogens, decreased in recovered patients (RPs), while the abundance of butyrate-producing organisms increased in these patients. Moreover, these differences were still present for some organisms at 12 months after recovery, indicating the need for long-term monitoring of COVID-19 patients after virus clearance.

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The coronavirus disease 2019 (COVID-19) pandemic has psychological consequences such as increased risk of depression, anxiety, and stress problems, exacerbating human health disparities. This study aimed to analyze depression and its causes in COVID-19-recovered patients in Bangladesh. A cross-sectional study was conducted on COVID-19-recovered patients who attended follow-up visits after 14 days to 3 months at Dhaka Medical College Hospital (DMCH) and Dhaka North City Corporation Hospital (DNCCH), Dhaka, Bangladesh, from 1 January to 31 December 2021. Respondents were face-to-face interviewed with a semistructured questionnaire after written agreement. The Patient Health Questionnaire (PHQ-9) was used to assess respondents' depression, and data were analyzed using SPSS version 23, with a P value of <0.05 indicating statistical significance. A total of 325 COVID-19-recovered patients aged from 15 to 65 years (mean, 44.34 ± 13.87 years) were included in this study, the highest proportion (23.1%) of them were aged 46 to 55 years, and the majority (61.5%) of them were male. There were 69.5% of respondents who had no signs of depression while 31% of them did have signs, with 26.7% being mildly depressed, 2.5% being extremely depressed, and 1.2% being severely depressed. Diabetes mellitus, hospitalization duration, social distancing, social media posts on COVID-19, loss of employment, family damage, and fear of reinfection were significantly associated with depression level of respondents. This study gives us a glimpse into the psychological health of COVID-19-recovered patients, and its findings highlight the imperative of alleviating their psychological anguish in Bangladesh. IMPORTANCE The COVID-19 pandemic had a significant psychological impact on healthy populations, with increased depression, perceived stress, posttraumatic stress disorder, and insomnia reported. The COVID-19 pandemic affects people's mental health by instilling fear of infection and depression. In the post-COVID-19 syndrome, depressive symptoms and clinically significant depression may have serious consequences for quality-of-life outcomes. To combat the spread of COVID-19, the Bangladesh government has implemented a number of measures, including lockdown, social distancing, self-isolation, and quarantine. Given the negative consequences, it is critical to investigate potential factors and mechanisms that may shed light on mental health improvement. The purpose of the study is to determine the level of depression in patients 3 months after recovering from acute COVID-19. The study's findings highlight the need for COVID-19-infected people in Bangladesh to receive health education and interventions.

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The major outbreak of Corona virus disease COVID-19 caused by SARS-CoV-2 had brought about 4.55 million deaths and had shaken the health care system all over the world. From the year 2020 the recovered COVID-19 patients had started to develop microbial infection, most predominantly fungal infection in which Mucormycosis gained immediate attention as it has worsen the mortality rate in humans. In the present study of 53 COVID-19 recovered patients presented with microbial infection, the analysis of frequency distribution of fungal infection preponderantly with Rhizopus oryzae, followed by Aspergillus and Candida species.

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The aim of this study is to demonstrate the prevalence of the long-term side effects of COVID-19, namely memory impairment among recovered patients, and obtaining the associated factors that link with memory impairment. It is a cross-sectional retrospective cohort study, that has been conducted from September to November 2022 in Iraq. People who were previously infected with COVID-19 were included. The study was performed by asking people to complete a questionnaire platform by either online or face-to-face interview. The Memory Assessment Clinic-Q (MAC-Q) test was utilized, scores that are equal or higher than 25 are indicative of memory decline. Thousand two hundred and eighty-seven participated in this study. However, only 1157 were included in the final analysis. Three hundred ninety-nine (34.49%) have memory impairment after COVID-19 recovery. Female gender, older age group, repeated exposure to COVID-19 infections, severe diseases, and exposure to multiple SARS-CoV-2 variants were independent risk factors of memory deficit in post-COVID-19 survivors with a p-value of 0.0001, 0.02, 0.0001, 0.001, 0.0001 respectively. It is crucial to pay particular attention to psychosocial rehabilitation of such risky groups. COVID-19 vaccine administrations with booster shots are necessary steps to decrease the disease incidence and avoid subsequent post-COVID-19 symptoms.

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BACKGROUND: In the global pandemic of the coronavirus disease 2019 (COVID-19), depression and post-traumatic stress disorder (PTSD) have commonly occurred among COVID-19 patients, whose experiences of infection and subsequent treatment might develop negative consequences on their mental well-being even after recovery. Despite the general recognition of efficacy of mindfulness-based interventions in reducing psychological distress among various populations, there were insufficient studies on the relationship between mindfulness and mental health among individuals who have recovered from COVID-19. OBJECTIVE: The current study aims to identify the prevalence of common mental health challenges among recovered COVID-19 patients in Jianghan District, Wuhan, China and to explore the potential mechanism through which mindfulness alleviate depression and PTSD. METHODS: A cross-sectional survey on mental health was conducted among a convenience sample of adults recovered from COVID-19 in Jianghan District, Wuhan, China. The study participants completed questionnaires under the assistance of trained investigators. The questionnaire included Chinese version of Five Facets of Mindfulness Questionnaire-Short Form (FFMQ-SF), Generalized Anxiety Disorder Questionnaire (GAD-7), Resilience Style Questionnaire (RSQ), Impact of Events Scale-Revised (IES-R), and Patient Health Questionnaire (PHQ-9) to measure mindfulness, anxiety, resilience, PTSD, and depression respectively. Structural equation modeling was used to explore the relationship between mindfulness and mental health outcomes of this population. RESULTS: 1541 respondents (654 [42.4 %] men and 887 [57.6 %] women) completed the questionnaire between June 10 and July 25, 2021, of whom 36.2 % and 27.1 % had mild and severe levels of depressive and anxiety symptoms respectively, and 15.2 % was indicated with PTSD. The average score of mindfulness of the study participants was (3.100 ± 0.387), and that of resilience was (3.560 ± 0.877). The structural equation model fit the data well, demonstrating that mindfulness was negatively associated with depressive symptoms directly (ß = -0.031, P = 0.021) or indirectly through the mediation effect of resilience (ß = -0.019, P = 0.009) and anxiety symptoms (ß = -0.208, P < 0.001), and was negatively associated with PTSD through the mediation effect of anxiety symptoms (ß = -0.142, P < 0.001). CONCLUSION: Individuals who have recovered from COVID-19 commonly experienced psychological distress. Mindfulness is associated with alleviation of depressive and PTSD symptoms directly or indirectly. Interventions based on mindfulness are suggested to improve the mental well-being of this population.

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BACKGROUND: Since COVID-19 outbreak, clinical experience on its management during the acute phase has rapidly grown, including potential effects on the psychopathological dimension. However, still few data are available regarding the impact on survivors' mental health over the long-term. METHODS: A sample of 1457 COVID-19 patients underwent a multidisciplinary follow-up protocol, approximately 3 months after hospital discharge, including a psychological evaluation. The primary outcomes were anxiety, depression, resilience, post-traumatic symptoms, and health-related quality of life. Furthermore, we examined the potential role of hospitalization and delay in the follow-up assessment on the increased burden of illness. RESULTS: Although a general high level of resilience emerged, suggesting most patients relied on their individual and interpersonal resources to face difficulties related to the pandemic, almost one third of the sample reported signs of psychological distress over time, especially post-traumatic symptoms, with anxiety being more represented than depression. Furthermore, hospitalization - regardless of the setting of care - and promptness in follow-up evaluation were found to play a protective role on patients' recovery and mental wellbeing. LIMITATIONS: Selection bias of patients exclusively admitted to the hospital; absence of a control group; psychological assessment relying on self-reported instruments. CONCLUSIONS: The current crisis demands resilience and adjustment resources, either in the acute and post-acute phase. Thus, the clinical effort should aim at relieving the traumatic impact of such condition through timely interventions. Further investigation may address potential predictors of developing a traumatic stress response, in order to identify and promptly treat at-risk subpopulations.

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Objective: The second wave of the Covid-19 pandemic in India was widespread and caused psychological distress among the citizens. Hospitals were running at a premium, increasing deaths and trepidation stories were on air by media, this generated sleep disturbances for many. This study aimed to examine the sleep quality of Covid-19 recovered patients in India during the second wave of the pandemic. Methods: Patients who had recently recovered from Covid-19 were invited to participate in this cross-sectional study using various social media platforms. An online survey questionnaire, including socio-demographics, health-related information, Covid-19 related information, and the Pittsburgh Sleep Quality Index (PSQI), was administered in June 2021. Descriptive statistics were used to compare the scores among the mild, moderate, and severe groups. ANOVA was used to find the difference between the groups for global PSQI scores. Results: A total of 311 participants (261 mild, 45 moderate, and 5 severe) provided usable responses. The Global PSQI score for the overall study sample was 8.22 ± 3.79. In the severe group, scores were higher 16.8 ± 2.59, and statistically significant from mild or moderate groups. Sleep quality of Covid-19 recovered patients was found to be statistically significantly different based on their gender (P < .001), annual income (P < .001), employment status (P < .001), and marital status (P < .001). Conclusion: Females, employment in the private sector, annual income below rupees 11 lakh, and unmarried Covid-19 recovered patients reported poor sleep quality. As our findings indicate poor sleep quality among the Covid-19 recovered patients during the second wave in India, designing psychological interventions is recommended to support their wellbeing post-recovery.

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Background: Dignity is a fundamental concept that has been threatened by the COVID-19 pandemic. Several factors threaten the dignity of COVID-19 patients, whether in palliative care departments, medical or surgery wards, intensive care units, or long-term care facilities. This threat is exacerbated by the increasing number of affected patients, the high transmission of the virus and problems such as limited resources, shortage of workforce, and ineffective communication. Recognizing the threats and challenges that currently affect the patients' dignity and managing them can help maintain the patients' dignity and increase their satisfaction. Research objective: This study seeks to explain the threats to the dignity of hospitalized COVID-19 patients. Research design: This qualitative study was conducted using conventional content analysis. Data were collected through in-depth, semi-structured, face-to-face interviews with 21 COVID-19 patients with maximum variation. Data were analyzed using Graneheim and Lundman's conventional content analysis and encoded with MAXQDA-10 software. The participants had already recovered from COVID-19 when the interviews were held. Ethical considerations: The study protocol was approved by the Research Ethics Committee of medical universities in northwestern Iran (IR.UMSU.REC.1399.345). Ethical principles were observed during the study. Findings: The analysis of the interviews revealed three main categories and 11 subcategories for the threats to the dignity of COVID-19 patients. The main categories included facing imposed conditions (five subcategories), facing unprofessional performance (four subcategories), and ineffective communication (two subcategories). Conclusion: The findings of the present study can help health officials and policymakers in taking positive steps to maintain patients' dignity by designing and implementing beneficial programs.

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The outbreak of COVID-19 that was first reported in Wuhan, China, has constituted a new emerging epidemic that has spread around the world. There are some reports illustrating the patients getting re-infected after recovering from COVID-19. Here, we provide an overview of the biphasic cycle of COVID-19, genetic diversity, immune response, and a chance of reinfection after recovering from COVID-19. The new generation of COVID-19 is a highly contagious and pathogenic infection that can lead to acute respiratory distress syndrome. Whilst most patients suffer from a mild form of the disease, there is a rising concern that patients who recover from COVID-19 may be at risk of reinfection. The proportion of the infected population is increasing worldwide; meanwhile, the rate and concern of reinfection by the recovered population are still high. Moreover, there is little evidence on the chance of COVID-19 infection even after vaccination, which is around one percent or less. Although the hypothesis of zero reinfections after vaccination has not been clinically proven, further studies should be performed on the recovered class in clusters to study the progression of the exposure with the re-exposed subpopulations to estimate the possibilities of reinfection and, thereby, advocate the use of these antibodies for vaccine creation.

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Severe acute respiratory syndrome coronavirus-2 is a major threat to health care worldwide with high morbidity and mortality. Therefore, understanding the role of immune mechanisms and humoral response is vital in this disease. The present study aimed to investigate the relationship between Immunoglobulins (IgM, IgG) in COVID-19 recovered patients with age, gender, and severity of the disease. The duration of effect of antibody levels and protection against re-infection has also been evaluated in the patients. Three groups participated in this study; group 1: 0-14 days after recovery, group 2: 2 months after recovery, group 3: 3 months after recovery, group 4: 4-6 months after recovery, group 5: more than 6 months. The nasopharyngeal swab was used to confirm recovery by Real-Time Polymerase Chain Reaction (RT-PCR) technique. IgM and IgG antibody levels were evaluated using Enzyme-Linked Immuno Fluorescent Assay (ELIFA) technique. The results indicated that the IgM levels increased for one month during the seven days after infection and then decreased in most patients (P≤0.05). The mean of IgG in group 1 increased compared to those of other studied groups. A significant decrease was observed in group 2 compared to group 1, as well as in group 3 compared to groups 1, and 2. Also, a significant difference existed between group 4 compared to groups 1, 2, and 3. Finally, significant differences were noticed between group 5 compared to groups 1, 2, 3, and 4 (P≤0.05). No significant differences were observed in antibodies level between male, and female COVID-19 recovered patients in groups 1, 2, 3, 4, and 5 (P≤0.05). Finally, highly significant differences in IgG levels between mild, moderate, and severe subgroups in groups 1 and 2. The present study demonstrated that IgM and IgG against SARS-CoV-2 appeared in the early stages of the disease and decreased after 1 month and failed to maintain high levels during the 6-month observation.

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Due to its leading role in fighting infections, the human immune system has been the focus of many studies in the context of Coronavirus disease 2019 (COVID-19). In a worldwide effort, the scientific community has transitioned from reporting about the effects of the novel coronavirus on the human body in the early days of the pandemic to exploring the body's many immunopathological and immunoprotecting properties that have improved disease treatment and enabled the development of vaccines. The aim of this review is to explain what happens to the immune system after recovery from COVID-19 and/or vaccination against SARS-CoV-2, the virus that causes the disease. We detail the way in which the immune system responds to a SARS-CoV-2 infection, including innate and adaptive measures. Then, we describe the role of vaccination, the main types of COVID-19 vaccines and how they protect us. Further, we explain the reason why immunity after COVID-19 infection plus a vaccination appears to induce a stronger response compared with virus exposure alone. Additionally, this review reports some correlates of protection from SARS-CoV-2 infection. In conclusion, we reinforce that vaccination is safe and important in achieving herd immunity.

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SARS-CoV-2 has caused a global pandemic with millions infected and numerous fatalities. Virus-specific antibodies can be detected in infected patients approximately two weeks after symptom onset. In this study, we set up ELISA technology coating with purified SARS-CoV-2 S and N proteins to study the antibody response of 484 serum samples. We established a surrogate viral inhibition assay using SARS-CoV-2 S protein pseudovirus system to determine the neutralization potency of collected serum samples. Here, we report robust antibody responses to SARS-CoV-2 in 484 recovered patients varying from 154 to 193 days, with 92% of recovered patients displaying a positive virus-specific spike glycoprotein IgG (s-IgG) response, while the ratio of positive spike glycoprotein IgM (s-IgM) reached 63%. Furthermore, moderate to potent neutralization activities were also observed in 62% of patients, correlating significantly with s-IgG response. This study strongly supports the long-term presence of antibodies in recovered patients against SARS-CoV-2, although all serum samples were collected from individuals with mild or moderate symptoms.

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INTRODUCTION: With the effective treatments of novel coronavirus disease 2019 (COVID-19), thousands of patients have recovered from COVID-19 globally. The public perceptions and views are vital to facilitate recovered COVID-19 patients reintegrate into society. In China, the rural population accounts for nearly 70% of the total population. Therefore, we chose to evaluate perceptions and views of rural residents towards COVID-19 recovered patients in China. METHODS: Fifteen participants were sampled from a village with the severe COVID-19 epidemic in Zibo city, Shandong Province. The fifteen participants who lived in the village with COVID-19 recovered patients were included. They were over 18 years of age and were voluntary to participant in the study. A descriptive qualitative design using semi-structured telephone interviews was undertaken. Thematic analysis was undertaken. RESULTS: Five main themes emerged from the data: (1) Perceived personal characteristics of COVID-19 recovered patients; (2) Perceived difficulties faced by COVID-19 recovered patients; (3) Perceptions on the social relationship with COVID-19 recovered patients; (4) Views on COVID-19 recovered patients going to public venues; (5) Views on helping COVID-19 recovered patients. Each theme was supported by several subthemes. CONCLUSION: Our study showed that discrimination and reduced social intimacy exist among rural residents. To improve their views or the situation, relevant departments could lead health educational programs and encourage supportive social connections. Through these strategic messaging, rural residents are expected to recognize that COVID-19 recovered patients need more social support, rather than discrimination and resistance, which helps recovered patients better return to society.

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A case who revealed the longest duration of viral shedding (67 days) in current reports, presented complicated characteristic on the relapse of COVID-19 due to the inconsistent performance of chest radiography and SARS-CoV-2-RNA detection after discharge. Lopinavir-interferon α2b boosted ribavirin following with lopinavir boosted budesonide might be a potent treatment for viral clearance.

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