Background No published meta-analyses have assessed efficacy and effectiveness of
licensed influenza vaccines in the USA with sensitive and highly specific diagnostic tests to …

Background Influenza vaccines are most effective when the antigens in the vaccine match
those of circulating strains. However, antigens contained in the vaccines do not always …

The emergence of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) variants
and “anatomical escape” characteristics threaten the effectiveness of current coronavirus …

This report updates the 2018–19 recommendations of the Advisory Committee on
Immunization Practices (ACIP) regarding the use of seasonal influenza vaccines in the …

This report updates the 2015–16 recommendations of the Advisory Committee on
Immunization Practices (ACIP) regarding the use of seasonal influenza vaccines (Grohskopf …

Background The seasonal incidence of influenza is often approximated as 5%–20%.
Methods We used 2 methods to estimate the seasonal incidence of symptomatic influenza in …

This report updates the 2009 recommendations by CDC's Advisory Committee on
Immunization Practices (ACIP) regarding the use of influenza vaccine for the prevention and …

Background The consequences of influenza in adults are mainly time off work. Vaccination
of pregnant women is recommended internationally. This is an update of a review published …

Background This is an update of the original review published in 2008. The risk of adverse
cardiovascular outcomes is increased with influenza‐like infection, and vaccination against …

Influenza continues to have a major worldwide impact, resulting in considerable human
suffering and economic burden. The regular recurrence of influenza epidemics is thought to …