Influenza virus infections are a major public health concern and cause significant morbidity
and mortality worldwide. Current influenza virus vaccines are an effective countermeasure …

The effect of influenza vaccination on influenza severity remains uncertain. We reviewed the
literature for evidence to inform the question of whether influenza illness is less severe …

Background Information is limited regarding the effectiveness of the two-dose messenger
RNA (mRNA) vaccines BNT162b2 (Pfizer–BioNTech) and mRNA-1273 (Moderna) in …

Abstract Background The Ad26. COV2. S vaccine is a recombinant, replication-incompetent
human adenovirus type 26 vector encoding full-length severe acute respiratory syndrome …

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Prepare. Page 4 Global influenza strategy 2019-2030 ISBN 978-92-4-151532-0 © World Health …

Background We investigated the effect of influenza vaccination on disease severity in adults
hospitalized with laboratory-confirmed influenza during 2013− 14, a season in which …

Molecular understanding of serological immunity to influenza has been confounded by the
complexity of the polyclonal antibody response in humans. Here we used high-resolution …

Introduction Seasonal influenza affects millions of people globally each year, causing
significant morbidity and mortality. However, there remains substantial uncertainty about the …

Background Respiratory syncytial virus (RSV) is a significant cause of severe lower
respiratory tract disease in children and older adults, but has no approved vaccine. This …

Background Predominance of 2 antigenically drifted influenza viruses during the 2019–2020
season offered an opportunity to assess vaccine effectiveness against life-threatening …