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Background: Index-cluster studies may help characterize the spread of communicable infections in the presymptomatic state. We describe a prospective index-cluster sampling strategy (ICSS) to detect presymptomatic respiratory viral illness and its implementation in a college population. Methods: We enrolled an annual cohort of first-year undergraduates who completed daily electronic symptom diaries to identify index cases (ICs) with respiratory illness. Investigators then selected 5-10 potentially exposed, asymptomatic close contacts (CCs) who were geographically co-located to follow for infections. Symptoms and nasopharyngeal samples were collected for 5 days. Logistic regression model-based predictions for proportions of self-reported illness were compared graphically for the whole cohort sampling group and the CC group. Results: We enrolled 1379 participants between 2009 and 2015, including 288 ICs and 882 CCs. The median number of CCs per IC was 6 (interquartile range, 3-8). Among the 882 CCs, 111 (13%) developed acute respiratory illnesses. Viral etiology testing in 246 ICs (85%) and 719 CCs (82%) identified a pathogen in 57% of ICs and 15% of CCs. Among those with detectable virus, rhinovirus was the most common (IC: 18%; CC: 6%) followed by coxsackievirus/echovirus (IC: 11%; CC: 4%). Among 106 CCs with a detected virus, only 18% had the same virus as their associated IC. Graphically, CCs did not have a higher frequency of self-reported illness relative to the whole cohort sampling group. Conclusions: Establishing clusters by geographic proximity did not enrich for cases of viral transmission, suggesting that ICSS may be a less effective strategy to detect spread of respiratory infection.

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Hand, foot, and mouth disease (HFMD) is a viral illness that predominantly affects infants and children, causing blisters and sores on the hands, feet, and mouth. Recurrence is rare, but a case in a six-year-old girl in Saudi Arabia was reported. A six-year-old girl presented with a rash on her palms and soles, which was preceded by a mild sore throat and low-grade fever. She had been in contact with her two-year-old sister, who had similar symptoms but a different rash pattern.  During clinical examination, multiple erythematous deep-seated vesicles and papules were noted on the patient's palms and soles, with no involvement of mucous membranes or nails. The diagnosis of hand, foot, and mouth disease (HFMD) was made based on the characteristic clinical presentation, and the rash resolved within seven days without treatment or complications.  The patient had experienced a similar presentation six months ago, which was also diagnosed as HFMD, and the rash had resolved spontaneously within one week. In her second episode, the rash was less severe, with milder prodromal symptoms. In both episodes, the lesions were asymptomatic and had no mucosal involvement. The patient had experienced onychomadesis after her first episode, but no nail abnormalities were seen after her second episode. Although HFMD is rare to recur in children, outbreaks can lead to another episode. HFMD prevalence is underestimated in Saudi Arabia due to missed mild cases. Pediatricians and dermatologists should be aware of HFMD incidence and its complications, as early detection is vital in preventing outbreaks and transmission.

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OBJECTIVES: Observational data to support delaying elective pediatric thoracic surgery during peak respiratory viral illness season is lacking. This study evaluated whether lung surgery during peak viral season is associated with differences in postoperative outcomes and resource utilization. METHODS: A retrospective observational cohort study was performed using the Pediatric Health Information System (PHIS). Patients with a congenital lung malformation (CLM) who underwent elective lung resection between 1 January 2016 and 29 February 2020 were included. Respiratory syncytial virus (RSV) incidence was used as a proxy for respiratory viral illness circulation. Monthly hospital-specific RSV incidence was calculated from PHIS data, and peak RSV season was defined by Centers for Disease Control data. Multivariable regression models were built to identify predictors of postoperative mechanical ventilation, which was the main outcome measure, as well as secondary outcomes including 30-day readmission after lung resection, postoperative length of stay (LOS) and hospital billing charges. RESULTS: Of 1542 CLM patients identified, 344 (22.3%) underwent lung resection during peak RSV season. 38% fewer operations were performed per month during peak RSV season than during off-peak months (p < .001). Children who underwent surgery during peak RSV season did not differ from the off-peak group in terms of age at operation, race, or comorbid conditions (i.e., congenital heart disease, newborn respiratory distress, and preoperative pneumonia). There was no association between hospital-specific RSV incidence at the time of surgery and postoperative mechanical ventilation, postoperative LOS, 30-day readmission rate or hospital billing charges. DISCUSSION: Performing elective lung surgery in children with CLMs during peak viral season is not associated with adverse surgical outcomes or increased utilization of healthcare resources.

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BACKGROUND: Respiratory viral illness (RVI)-e.g., influenza, COVID-19-is a serious threat in long-term care (LTC) facilities. Standard infection control measures are suboptimal in LTC facilities because of residents' cognitive impairments, care needs, and susceptibility to loneliness and mental illness. Further, LTC residents living with high degrees of frailty who contract RVIs often develop the so-called atypical symptoms (e.g., delirium, worse mobility) instead of typical cough and fever, delaying infection diagnosis and treatment. Although far-UVC (222 nm) light devices have shown potent antiviral activity in vitro, clinical efficacy remains unproven. METHODS: Following a study to assay acceptability at each site, this multicenter, double-blinded, cluster-randomized, placebo-controlled trial aims to assess whether far-UVC light devices impact the incidence of RVIs in LTC facilities. Neighborhoods within LTC facilities are randomized to receive far-UVC light devices (222 nm) or identical placebo light devices that emit only visible spectrum light (400-700 nm) in common areas. All residents are monitored for RVIs using both a standard screening protocol and a novel screening protocol that target atypical symptoms. The 3-year incidence of RVIs will be compared using intention-to-treat analysis. A cost-consequence analysis will follow. DISCUSSION: This trial aims to inform decisions about whether to implement far-UVC light in LTC facilities for RVI prevention. The trial design features align with this pragmatic intent. Appropriate additional ethical protections have been implemented to mitigate participant vulnerabilities that arise from conducting this study. Knowledge dissemination will be supported through media engagement, peer-reviewed presentations, and publications. TRIAL REGISTRATION: ClinicalTrials.gov NCT05084898. October 20, 2021.

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Hand, foot, and mouth disease (HFMD) is a viral infection primarily affecting children, but it can occur in individuals of all ages. In this article, we present the atypical case of a 36-year-old male with no significant medical history who recurred to the emergency department with a three-day history of fever, sore throat, and a maculopapular rash. After an extended evaluation with normal blood tests, he was discharged home with a diagnosis of HFMD. This case underscores the importance of considering HFMD when evaluating adult patients with rashes, and patients should be reassured about the self-limiting nature of the disease.

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BACKGROUND: Medicines in indigenous systems such as Ayurveda have strong antimicrobial activity but double-blind randomized control trials are infrequent in this system of medicine. The efficacy of a new ayurvedic formulation was evaluated during the pandemic. METHODS: 150 mild-moderate COVID-19 patients were enrolled and randomized in 1:1 to NAOQ19 and placebo group. RT-PCR was done on Day 3, 5 and 7. CBC, CRP, LFT, and KFT were assessed at baseline and exit. Duration of hospital stay was noted and clinical assessment was also performed. RESULT: The results demonstrated more people turning RT-PCR negative in the NAOQ19 group compared to the placebo group on day 3 (p-value = 0.033). The mean time duration to turn RT-PCR negative was significantly lower in the NAOQ19 group (4.6 days) compared to placebo group (5.2 days) (p-value = 0.018). There was significant reduction in hospital stay among patients in the NAOQ19 arm who were discharged earlier (5.6 days) compared to placebo group (6.4 days) (p-value = 0.046). Patients in NAOQ19 arm did not show any adverse life-threatening events. CONCLUSION: The ayurvedic preparation given along with standard of care therapy reduced the duration of hospital stay and there was earlier conversion to RT-PCR negative.The integrated approach can help to reduce patient workload in the hospitals as well as limit the transmission of the virus in the community. STUDY REGISTRATION: CTRI/2021/05/033790.

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In this case report, we review a case of pneumatocele in a 54-year-old Caucasian male patient diagnosed with infection of COVID-19 29 days prior, presenting with complaints of dyspnea and sharp pleuritic chest pain located in the left mid-axillary region exacerbated by deep inspiration with an episode of significant forceful cough a day prior. Preliminary labs were unrevealing for leukocytosis or neutrophilia, with normal troponins, and COVID-19 negative upon presentation. Radiographic imaging was significant for bilateral infiltrates in the left upper lobe, air fluid levels with initial concern for abscess but with subsequent inference of pneumatocele. Imaging was negative for pneumothorax. The patient was monitored, remained stable throughout admission, and discharged after work-up for fungal and bacterial infection were found to be negative with expectation of self-resolution of the pneumatocele. In this study, we overview the pulmonary impact of COVID-19 in the scope of pneumatocele occurrence in the early recovery phase of the viral illness.

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The longevity of the coronavirus disease 2019 (COVID-19) pandemic has necessitated continued discussion about the long-term impacts of SARS-CoV-2 infection. Many who develop an acute COVID-19 infection will later face a constellation of enduring symptoms of varying severity, otherwise known as long COVID. As the pandemic reaches its inevitable endemicity, the long COVID patient population will undoubtedly grow and require improved recognition and management. The case presented describes the three-year arc of a previously healthy 26-year-old female medical student from initial infection and induction of long COVID symptomology to near-total remission of the disease. In doing so, the course of this unique post-viral illness and the trials and errors of myriad treatment options will be chronologized, thereby contributing to the continued demand for understanding this mystifying disease.

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Cytotoxic lesions of the corpus callosum are considered a clinical-radiological syndrome that generates transitory damage to the corpus callosum; especially in the splenium, with a multicausal origin such as drugs, malignant neoplasms, infections, subarachnoid hemorrhage, metabolic disorders, and traumas. The clinical presentation varies in severity. Some patients have complete recovery in a few days, while others present a more serious clinical, requiring admission to pediatric intensive care. We present a case of a pediatric patient with cytotoxic lesions of the corpus callosum (CLOCCs) confirmed by brain magnetic resonance imaging (MRI). The patient was admitted due to gastrointestinal symptoms, progressing to altered consciousness, postural instability, dysarthria, and paroxysmal events. A literature search of all reported cases of compromises of CLOCCs was carried out to identify the different terms used to describe this syndrome and consolidated a report of utility in the clinic of this pathology.

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Cytomegalovirus is widely spread worldwide, and it is not uncommon for it to complicate the congenital human immunodeficiency virus (HIV) disease as an acquired or congenital coinfection. However, the association of the two infections is not common amongst infants with primary immune deficiencies.We describe a case of a 6-month-old infant with acquired cytomegalovirus and HIV infections, diagnosed in the course of the patient's clinical and laboratory workup for a presumed primary immunodeficiency. To date, this is the first reported case of such a combination in a child from Bulgaria.

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Hand-foot-mouth syndrome is a common childhood illness. Although occurrence in adults is rare, its incidence has been increasing. In such cases, it usually presents with atypical symptoms. The authors present the case of a 33-year-old male patient who presented with constitutional symptoms, feverish sensation, and macular palmoplantar rash associated with oral and oropharynx ulcers. The epidemiological history revealed exposure to two cohabitants (children) with a recent diagnosis of hand-foot-mouth disease (HFMD).

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Vaccination efforts have limited the burden of the pandemic caused by the coronavirus disease 2019 (COVID-19) with substantial evidence showing reduced hospitalization rates among vaccinated populations. However, few studies have explored correlations between vaccination status and inpatient COVID-19 outcomes. This observational case-control study involved a retrospective chart review of adult patients hospitalized for COVID-19 infection at a medium-sized hospital in Central Michigan between May 1, 2021 and September 30, 2021. Unadjusted analyses involved t-tests and chi-square tests followed by adjusted analyses using binary logistic and linear regression models. Of the 192 screened patients, 171 subjects met the inclusion criteria. Vaccinated patients were significantly older (71.09 vs 57.45, p < 0.001), more likely to identify as white (89.4% vs 66.9%, p = 0.026), and had a lower baseline 10-year survival rate predicted by the Charlson Comorbidity Index (42% vs 69%, p < 0.001) compared to unvaccinated patients. Common symptoms between both groups included shortness of breath (50%), malaise (23%-37%), cough (28%-32%), and fever or chills (25%). Upon matching, adjusted analysis showed significantly higher rates of remdesivir administration to unvaccinated patients (41.3% vs 13.3%, odds ratio (OR): 4.63, 90% confidence interval (CI): 1.98-11.31). Despite higher intensive care unit admission rates among unvaccinated patients (39.1% vs 23.9%, OR: 1.83, 90% CI: 0.74-4.64), this difference did not reach statistical significance. Accordingly, immunization status strongly correlates with patient demographics and differences in inpatient treatment. Larger studies are needed to further assess the vaccine's impact on inpatient outcomes outside of our community.

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The role of early probiotic supplementation in infants for the prevention of respiratory viral illnesses is unclear. We examined the association of Lactobacillus rhamnosus GG (LGG) supplementation during the first 6 months of life with the frequency and severity of viral illnesses during the first 24 months of life. We conducted a secondary analysis of data from the randomized controlled Trial of Infant Probiotic Supplementation (n = 184). Parents reported the number of respiratory viral illnesses, and a composite severity score was created based on symptoms. A negative binomial regression model and a mixed-effects linear regression model assessed for differences in the number of episodes and severity of episodes between treatment groups, respectively. There was no significant difference in the incidence rate of viral illness episodes or symptom severity between treatment groups. Daily supplementation with LGG in early infancy does not decrease the number or severity of viral illnesses during the first 2 years of life.

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Objective: This study aimed to compare 28-day mortality between patients have hospital-acquired influenza (HAI) and those have community-acquired influenza (CAI) during the 2017-2019 influenza seasons in a tertiary care center in Istanbul, Türkiye. Materials and Methods: This retrospective cohort included all hospitalized patients who had confirmed influenza infection and were over 17 years old. HAI was defined as a case of influenza that tested negative in a PCR test or had no signs of influenza on admission but with a positive test result at any point after 72 hours of admission. CAI was defined as a case of influenza diagnosed within 72 hours of admission or before admission. The primary outcome was 28-day mortality after diagnosis. Biological sex, admission to the intensive care unit (ICU), presence of chronic obstructive pulmonary disease, cardiovascular and immunosuppressive comorbidities, influenza subtype, and other variables identified with univariate analyses (p<0.25) were entered into logistic regression analysis. Results: During the study period, 92 (46%) of 201 hospitalized patients who tested positive for influenza were identified as HAI, and the rest (109) were identified as CAI. Univariate analysis showed no differences between survivors and non-survivors in patient characteristics, except non-survivors were more likely to have an ICU admission. The multivariable logistic regression analysis results showed that HAI was associated with 5.6-fold increased odds of mortality (95% confidence interval [CI]=1.6-19.3; p=0.006), after adjustment for age, gender, comorbidity, and ICU admission. Conclusion: The results of this study revealed that patients who had HAI were more likely to die within 28 days compared to those who had CAI after controlling for key confounders. The high rate of HAI underscores the critical importance of robust infection control measures for hospital-acquired viral infections. Additional research and targeted interventions are necessary to improve the HAI prognosis.

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The use of complementary and integrative medicine has increased . It is estimated that one-third of the population of the United States uses some form of alternative medicine. Physicians should consider integrative medicine therapies . Alternative medical therapies for the common cold and influenza include herbal supplements, dietary supplements, diet, and other adjunct therapies. However, it is important to research and study these therapies. Therefore, communication with patients and other health care providers is important. This will ensure effective and positive patient care experiences. Further randomized clinical trials are necessary to further establish the role of various alternative options.

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This case series will describe two pediatric patients, aged nine months and two years, who presented to the emergency department with symptoms of croup. However, they were later found to have coronavirus disease 2019 (COVID-19). The two patients had no pre-existing medical conditions, and they were treated with steroids and nebulized epinephrine as required. They were discharged home with instructions to follow up with their primary care provider and to follow isolation guidelines. This report will illustrate how upper respiratory symptoms, including those consistent with croup, can be associated with or caused by an existing COVID-19 infection. More research is needed to determine if this association can lead to more long-term complications of COVID-19. Additionally, testing for COVID-19 should be incorporated into the assessment and management of this presentation. By recognizing this, clinicians can identify the cause of the illness sooner and initiate targeted treatment more effectively.

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Human Parechovirus encephalitis is an uncommon infection. Very few of the cases have been reported in the literature so far. These reports are mainly about neonatal encephalitis, primarily affecting preterm neonates. Parechovirus encephalitis in otherwise healthy pediatric populations is a rare entity. Here, we present two unique pediatric cases secondary to Parechovirus infection, one with hemidystonia and another with acute onset of altered mental status, confusion, and headache.

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Introduction Viral illnesses like mumps, cytomegalovirus (CMV), and Cocksakievirus have been shown to affect the endocrine system, specifically the thyroid as a product of their systemic inflammatory process. The thyroid gland, having high levels of angiotensin-converting enzyme 2 (ACE2) is also predisposed to dysfunction due to coronavirus disease 2019 (COVID-19). Methodology A cross-sectional study was conducted using retrospective data of thyroid function tests in patients with COVID-19. Results The majority of patients with COVID-19 had normal thyroid function while low serum T3, seen in 47.3% of patients with severe disease, stood out as the most common thyroid abnormality in the acute phase of the disease. The disease severity was seen to correlate with the extent of thyroid function abnormalities, with severely diseased patients having lower T3 values and normal to low thyroid-stimulating hormone (TSH) values. Furthermore, a significant negative correlation was seen between TSH and the bio-inflammatory marker, C-reactive protein (CRP). Conclusion The acute phase of COVID-19 affects thyroid function in direct correlation with the severity of the disease.