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…logical factors across age groups in Jiangsu, China, before the COVID-19 pandemic and after the relaxation of COVID-19 control measures.…

…19 PCR test between January 2020 and July 2021. We compared (1) COVID-19 infection and (2) adverse outcomes at 30 days among COVID-19 po…

…70 contemporary comparators. Positive wave 2 associations after COVID-19 were observed for hair loss (OR 1.57, 95% CI 1.48 to 1.66), mob…

…Introduction Residual COVID-19 sequelae create a public health concern as they add to the alre…

…nths will be randomised 1:1 to either receive a fourth post-BMT COVID-19 booster at 9 or 15 months post-transplant. The primary outcome …

…ual infections of seasonal influenza, SARS-CoV-2 infection, and respiratory syncytial virus.61 African vaccine cold chain networks could easily find themse…

…utcome measures The primary outcomes measured were adherence to COVID-19 mitigation measures, presence of COVID-19 symptoms, COVID-19 te…

…iation for boosters received more than 365 days ago.Conclusions COVID-19 booster vaccination was associated with fewer hospitalisation a…

…ncidence rate ratio (IRR) 1.14, 95% CI 1.01 to 1.29) during the COVID-19 pandemic. In multivariable mixed-effects models, adverse events…

…pitals and clinics in Hong Kong during the first 2 years of the COVID-19 pandemic.Results Overall seropositivity of COVID-19 by plaque r…

…ween 2019 and 2020 for all ethnic groups, likely because of the covid-19 pandemic. We saw inequality in the use of this elective care pa…

… including 36 with COVID-19 and 15 with non-COVID-19 pneumonia. COVID-19 patients showed significantly higher pulmonary shunt fractions …