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BACKGROUND: The influenza vaccination rate of healthcare workers (HWs) in Poland is low. Before implementing methods for promoting influenza vaccination, it is crucial to identify attitudes towards vaccination. We aimed to examine the knowledge and attitudes towards influenza vaccination of HWs at university hospitals. Moreover, we evaluated the incentives for getting influenza vaccination among HWs. METHODS: From September 2020 to October 2020, we surveyed HWs in one children's hospital and two adults' hospitals in Warsaw (Poland). We included only fully and correctly completed surveys into final analysis. RESULTS: A total of 950 questionnaires (85% women, 45% <40 years old, 33% physicians and 48% nurses, 56% working in a children's hospital) were evaluated. Of all HWs, 25% declared they were vaccinated and 54% planned to get vaccinated in the next season. We have analyzed attitudes towards influenza vaccination and motivations to get vaccinated. CONCLUSIONS: Among HWs in academic hospitals, males, people <40 years old, physicians and those working in children's hospital are more likely to get vaccinated and their attitudes towards influenza vaccination are more positive. Of those less likely to get vaccinated, people >40 years old and nurses could be effectively persuaded by free and on-site influenza vaccination. Moreover, free access to vaccination is the strongest motivator for vaccination among all HWs. The attitudes towards mandatory influenza vaccination differ sharply among HWs-while physicians are ready to accept it, nurses are not. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT04569019.

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One Health (OH) is one of the most essential global programs to rebalance the animal, human, and plant environments that depend on and affect each other. One element of the OH program is to draw attention to the phenomenon of antimicrobial resistance (AMR), which poses a very high risk to human and animal health. OH is not only a health-promoting project but also has an educational dimension. Therefore, a survey was conducted among 467 veterinary students studying at top academic centers in Poland to find out whether they had heard of OH and whether knowledge of OH influences their knowledge and attitudes related to AMR. The study indicated statistically significant relationships between familiarity with the OH program and the year of study. The higher the year of study, the more students heard about OH. It was also shown that students who had heard of OH were significantly more likely-compared to students who had not heard of OH-to agree that increasing AMR is influenced by the overuse of antibiotics in veterinary medicine (70.7 vs. 55%; p = 0.014) and the use of too low doses of antibiotics in animals (49.8 vs. 28.6%; p = 0.016). The higher the year of study, the higher the percentage of students who say that carbapenems as antibiotics of last resort should be reserved only for humans (70% of final-year students vs. 30.8% of first-year students; p < 0.001). The study's results indicate the effectiveness of education in fostering positive attitudes toward AMR and the impact of knowledge of the OH program on knowledge of antibiotic therapy in the spirit of OH.

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The study explored the association between individuals' attitudes toward vaccination and their actual vaccination behavior. We also examined the impact of the coronavirus disease 2019 (COVID-19) pandemic and the ongoing vaccination debate on changing attitudes towards vaccination, specifically within different demographic groups. The survey was conducted among a representative sample of Poles (N = 805) using computer-assisted web interview (CAWI) technology. As demonstrated, those who identified themselves as strong vaccine supporters were statistically significantly more frequently to be vaccinated with COVID-19 booster doses, to follow a physician's recommendation on any vaccine without hesitation, and to be strengthened in their confidence in vaccines during the COVID-19 pandemic (p < 0.001 for all). However, over half of the responders declared themselves as moderate vaccine supporters/opponents, the groups whose further attitudes are likely to be affected by (mis)communication. Importantly, more than half of moderate vaccine supporters declared that their vaccine confidence was weakened during the COVID-19 pandemic, while 43% were not vaccinated against COVID-19. In addition, the study demonstrated that older and better-educated individuals were more likely to be COVID-19-vaccinated (p < 0.001 and p = 0.013, respectively). The results of this study imply that, in order to improve vaccine acceptance, it is essential to strengthen public health communication and avoid communication errors conducted during the COVID-19 pandemic.

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Urinary tract infections (UTIs) remain the most common infections diagnosed in outpatients and hospitalized patients. This study was designed to determine the patterns of antibiotic resistance and the prevalence of uropathogens causing UTIs in pediatric patients hospitalized between 1 January 2020 and 31 December 2022 at Teaching Hospital in Warsaw. The most frequent species isolated from urine samples were E. coli (64.5%), Klebsiella spp. (11.6%), and Enterococcus spp. (6.1%). UTIs caused by Enterobacter spp., Enterococcus spp., and Klebsiella spp. were significantly more common in children younger than three months of age than in children older than three months (p < 0.001). Trimethoprim and trimethoprim-sulfamethoxazole were the least active compounds against Enterobacterales with the resistance of E. coli, Klebsiella spp., P. mirabilis, and Enterobacter spp. in the range of 26.7/25.2%, 48.4/40.4%, 51.1/40.4%, and 15.8/13.2% respectively. Ampicillin was also found to have resistance rates for E. coli of 54.9% and P. mirabilis of 44.7%. Cefalexin and cefuroxime were highly active towards Enterobacterales except for Klebsiella spp., in which the resistance level reached 40%. Regarding third- and fourth- generation cephalosporins, resistance in E. coli and P. mirabilis was observed in approximately 2-10% of the isolates, but in Klebsiella spp. and Enterobacter spp. ranged over 30%. The resistance of Enterobacterales to carbapenems, nitrofurantoin, and fosfomycin was below 1%. The quinolones resistance was very high for Klebsiella spp. (31.1%) and P. mirabilis (29.8%) and three times lower for E. coli (11.9%), P. aeruginosa (9.3%), Enterobacter spp. (2.6%), and E. faecalis (4.6%). Resistance to multiple antibiotic classes was identified in 396 Enterobacterales strains, 394 of which were multi-drug resistant (MDR) and 2 were extensive drug-resistant (XDR). In the case of E. coli, 30% of isolates were MDR, with the proportion of strains having this exact resistance pattern similar in all of the analyzed years; no E. coli XDR strains were isolated. The number of Klebsiella spp. MDR strains was much higher in 2022 (60%) than in 2021 (47.5%). In the analyzed time, only one strain of K. pneumonia XDR, producing New Delhi metallo-ß-lactamase, was isolated. Monitoring infection trends is essential to improve control and limit the rise of bacterial resistance.

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Vaccination against seasonal flu is crucial to prevention of illness in modern societies. The level of influenza vaccination in Poland is low and, for many years, has hovered around a few percent of the general population. For this reason, it is crucial to understand the reasons for such a low level of vaccination and to assess the influence of medical and social authorities on the decision to vaccinate against influenza from the perspective of social vaccinology. For this purpose, a representative survey was conducted in 2022 among adult Poles (N = 805), orchestrated with the CAWI technique based on the author's questionnaire. The most significant authority in the context of influenza vaccination is held by physicians, especially among the oldest part of the population, over 65 years of age-in this group, 50.4% of respondents declare a very high level of respect for physicians on the issue of recommended influenza vaccination (p < 0.001), and the second-highest authority group for which seniors have respect in the aspect of influenza vaccination is pharmacists (p = 0.011). It was also shown that pharmacists have more authority on the issue of influenza vaccination than nurses, especially in the group that declared themselves opponents of vaccination (p < 0.001). The survey indicates the need to strengthen the authority of physicians and pharmacists regarding influenza vaccination, and, in the case of pharmacists, the need for changing the law to allow them to qualify for influenza vaccination.

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(1) Background: This study aims to analyse the attitudinal components influencing paediatricians' self-vaccination. (2) Methods: The national-cross survey was conducted among paediatricians involved in childhood vaccination within the immunisation program. (3) Results: A hypothetical model indicating the influence of cognitive and behavioural factors on influenza vaccination among paediatricians was verified based on a survey of Polish paediatricians. A simple mediation model, based on Triandis' Theory of Interpersonal Behaviour, reflects a relationship in which knowledge and beliefs about outcomes contribute to whether paediatricians vaccinate against influenza. (4) Conclusions: The presented research shows that the pro-vaccination behaviours of paediatricians are not only influenced by cognitive factors but also the behavioural components of attitudes, which are equally important. The conclusions point to the pivotal role of shaping both knowledge and understanding of the effectiveness of immunisation programmes in building the pro-vaccination attitudes of paediatricians. (5) Practical Implications: This is the first representative study of Polish paediatricians to demonstrate how their attitudes and behaviour are related to self-vaccination. Its conclusions allow policymakers to develop programmes to support effective measures against the spread of infectious diseases through the self-vaccination of medical professionals.

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The novel coronavirus disease (COVID-19) epidemic - in addition to its many widely described negative consequences - has created achallenge for the mental health care system in every country, including Poland to safely manage psychiatric disorders in addition to preventing and treating COVID-19. In Poland, online mental health services are provided for the outpatients. Still there are patients with severe psychiatric disorders who have suspected or confirmed COVID-19 and need to be treated in a psychiatric hospital. The Department of Child and Adolescent Psychiatry of the Medical University of Warsaw was appointed by local authorities to hospitalize childrenwith mental disorders and with confirmed or suspected COVID-19. This created an urgent need to adapt our department for treating COVID-19 infected patients. As far as we know no guidelines for psychiatric hospitals management during the COVID-19 pandemic are available in English. In this manuscript, we present our guidelines regarding safe management of patients with suspected or confirmed COVID-19 in the Department of Child and Adolescent Psychiatry of the Medical University of Warsaw.

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We investigated pneumococcal carriage among unvaccinated children under five years of age at a time when the conjugate polysaccharide vaccine (PCV) was introduced in Poland into the national immunization program (NIP). Paired nasopharyngeal swab (NPS) and saliva samples collected between 2016 and 2020 from n = 394 children were tested with conventional culture and using qPCR. The carriage rate detected by culture was 25.4% (97 of 394), by qPCR 39.1% (155 of 394), and 40.1% (158 of 394) overall. The risk of carriage was significantly elevated among day care center attendees, and during autumn/winter months. Among isolates cultured, the most common serotypes were: 23A, 6B, 15BC, 10A, 11A. The coverage of PCV10 and PCV13 was 23.2% (23 of 99) and 26.3% (26 of 99), respectively. Application of qPCR lead to detection of 168 serotype carriage events, with serogroups 15, 6, 9 and serotype 23A most commonly detected. Although the highest number of carriers was identified by testing NPS with qPCR, saliva significantly contributed to the overall number of detected carriers. Co-carriage of multiple serotypes was detected in 25.3% (40 of 158) of carriers. The results of this study represent a baseline for the future surveillance of effects of pneumococcal vaccines in NIP in Poland.

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BACKGROUND: Preventing the spread of the influenza virus is one of the primary health policy challenges of many countries worldwide. One of the more effective ways to prevent infection is influenza vaccination, and the people who enjoy the most public confidence in preventive health care are health workers (HWs). For this reason, it is crucial to study the attitudes of HWs toward influenza vaccination. METHODS: The survey was conducted among 950 medical (physicians and nurses) and administrative staff in three academic hospitals. Respondents to the survey were selected on a random-target basis to represent hospital employees in the study best. The survey was conducted using the PAPI method between August and September 2020. RESULTS: Respondents considered hand washing (52.8%) and avoiding contact with sick people (49.3%) the most effective ways to prevent influenza infection. Three in ten respondents considered wearing a protective mask (30.1%) and getting vaccinated against influenza (29.9%) is fully effective in preventing influenza. Influenza vaccination as effective in preventing influenza virus infection was chosen more often by those who worked in a pediatric hospital. Nurses were twice less likely than physicians to declare that influenza vaccination prevents infection (42.4% for nurses vs. 84.0% for physicians). At the same time, 20.4% of nurses believed that eating garlic effectively prevented influenza infection, and 28.1% declared daily vitamin C helpful. CONCLUSIONS: The study pointed to significant educational gaps regarding the role and effectiveness of influenza vaccination in the process of influenza virus infection and indicated a firm belief in medical myths, especially in the nursing community, related to protection against influenza virus infection.

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Patients with hemato-oncologic diseases are particularly vulnerable to severe infections. Adult patients with blood cancers infected with SARS-CoV-2 had poorer treatment outcomes and higher mortality than patients with COVID-19 without burden. However, in pediatric patients with hemato-oncologic diseases the course of COVID-19 is milder than in adults in the same group of patients. In this report, we describe the case of our patient with acute lymphoblastic leukemia infected with SARS-CoV-2 and treated with remdesivir. We also review the existing literature of pediatric patients who have been diagnosed with both hemato-oncologic diseases and COVID-19.

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We aimed to evaluate the knowledge-based attitudes of antibiotics and antibiotic resistance among medical students of Medical University of Warsaw using the questionnaire prepared by the study's authors. In May-June 2018, we carried out a cross-sectional study among the students of all years, embracing 291 respondents. The students were divided into two groups: A (students in their first to third years) and B (students in their fourth to sixth years). Our study has shown that students are aware of the dangers of antibiotic resistance, seeing the leading cause as antibiotic misuse. We have shown that they are also aware of their insufficient knowledge and believe that more antibiotic therapy classes should be included in the curriculum of Medical University of Warsaw. Our questionnaire also focused on attitudes towards antibiotics based on knowledge. One in four respondents (23.7%), based on their knowledge, negated antibiotic therapy ordered by a doctor in the event of their illness, and four in ten (40.9%) in the occurrence of disease of a family member or friend. The vast majority of students (92.4%) would like to broaden their knowledge on antibiotic therapy. However, only one-fifth of students have heard about the European Antibiotic Awareness Day campaign. We recommend increasing the number of hours on antibiotic therapy and resistance education combined with topics on hand hygiene.

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Aggregated data from the Polish Point Prevalence Survey of Healthcare Associated Infections and Antimicrobial Use (PPS HAI&AU) collected between 2012 and 2015 were used to describe the epidemiology of healthcare associated bloodstream infections (BSI) in Polish hospitals, in order to assess the rationale for introducing a BSI surveillance programme in our country and analyse selected risk factors. Data were collected according to the ECDC PPS HAI&AU protocol. Within four years, records for 71,039 patients were collected in 36 (2012), 32 (2013), 112 (2014), and 158 (2015) hospitals; representativeness was evaluated as good in 2012-2013, and excellent from 2014. HAI was found in 4,258 of these patients; laboratory confirmed BSI, including catheter related infections (CRI), and neonatal BSI accounted for 7.7% (329 cases). A representative control group was selected during a random selection process. Out of 329 cases of BSI, 48.9% were associated with vascular access, and 70.8% of them met the criteria of (CRI). The most frequently isolated microorganisms were Staphylococci with 150 isolates (45.6%). Most of them were coagulase-negative (64.4%) that usually caused CRI. Out of 53 S. aureus isolates 24.5% were methicillin-resistant. Enterobacteriaceae were responsible for 31.3% of BSI (n = 103), 50.0% of them were resistant to third generation cephalosporins and 6 (5.8%) to carbapenems. Since little is known about the epidemiology of BSI in Poland, introduction of a countrywide surveillance programme based on incidence is justified, in order to create national prevention initiatives based on local epidemiology, as well as bundle focusing on prevention of CRI.

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