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 …

The current emphasis on comparative effectiveness research will provide practicing
physicians with increasing volumes of observational evidence about preventive care …

Will covid-19 vaccines save lives? Current trials aren’t designed to tell us | The BMJ Skip to
main content Intended for healthcare professionals Access provided by Google Indexer …

Background As compared with a standard-dose vaccine, a high-dose, trivalent, inactivated
influenza vaccine (IIV3-HD) improves antibody responses to influenza among adults 65 …

Estimating excess mortality is challenging. The metric depends on the expected mortality
level, which can differ based on given choices, such as the method and the time series …

Noncausal associations between exposures and outcomes are a threat to validity of causal
inference in observational studies. Many techniques have been developed for study design …

Background. Age-specific comparisons of influenza and respiratory syncytial virus (RSV)
hospitalization rates can inform prevention efforts, including vaccine development plans …

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 …

Systems approaches have been used to describe molecular signatures driving immunity to
influenza vaccination in humans. Whether such signatures are similar across multiple …

Objectives Older adults are less able to produce a protective antibody response to
vaccinations. One factor that contributes to this is immune ageing. Here we examined …