تصفح Mathematics, Statistics & Physics حسب الموضوع "Immunity"
السجلات المعروضة 1 -- 2 من 2
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Population immunity of natural infection, primary-series vaccination, and booster vaccination in Qatar during the COVID-19 pandemic: an observational study
( Elsevier , 2023 , Article)BackgroundWaning of natural infection protection and vaccine protection highlight the need to evaluate changes in population immunity over time. Population immunity of previous SARS-CoV-2 infection or of COVID-19 vaccination ... -
SARS-CoV-2 antibody-positivity protects against reinfection for at least seven months with 95% efficacy
( Elsevier , 2021 , Article)Background Reinfection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been documented, raising public health concerns. SARS-CoV-2 reinfections were assessed in a cohort of antibody-positive persons ...