Background Influenza vaccines require annual readministration; however, several reports
have suggested that repeated vaccination might attenuate the vaccine's effectiveness. We …

The numerous influenza infections that occur every year present a major public health
problem. Influenza vaccines are important for the prevention of the disease; however, their …

Background The COVID-19 pandemic was associated with historically low influenza
circulation during the 2020–2021 season, followed by an increase in influenza circulation …

Background Recently, studies have suggested that influenza antibody titers decline with
time since vaccination. Duration of vaccine protection is an important factor to determine the …

The most effective measure to induce protection from influenza is vaccination. Thus, yearly
vaccination is recommended, which, together with infections, establishes diverse repertoires …

We estimated the effectiveness of influenza vaccines in preventing laboratory-confirmed
influenza among older adults in aged care. Electronic database searches were conducted …

With concerns about the efficacy of repeat annual influenza vaccination, it is important to
better understand the impact of priming vaccine immunity and develop an effective …

Background Recent seasonal epidemics of influenza have been caused by human influenza
A viruses of the H1N1 and H3N2 subtypes and influenza B viruses. Annual vaccination is …

Background The aim of the current study was to determine the safety and immunogenicity of
trivalent inactivated influenza vaccine (TIV) alone or formulated with Advax delta inulin …

We estimated influenza vaccine effectiveness (IVE) in preventing outpatient and hospitalized
cases in the 2022–2023 season. A test-negative design included a representative sample of …