Evaluation of influenza vaccine effectiveness Page 1 Evaluation of influenza vaccine effectiveness A
guide to the design and interpretation of observational studies Immunization, Vaccines and …

The severity of the 2017–18 influenza season, combined with the low efficacy for some
vaccine components, highlights the need to improve our current seasonal influenza vaccine …

SEASONAL INFLUENZA VACCINES: Page 1 A SEASONAL INFLUENZA VACCINES: AN
OVERVIEW FOR DECISION-MAKERS SEASONAL INFLUENZA VACCINES: An overview for …

Annual administration of the seasonal influenza vaccine is strongly recommended to reduce
the burden of disease, particularly for persons at the highest risk for the viral infection. Even …

Development of a universal influenza vaccine is a research priority for the National Institute
of Allergy and Infectious Diseases (NIAID) at the National Institutes of Health. To facilitate …

Influenza-virus-mediated disease can be associated with high levels of morbidity and
mortality, particularly in younger children and older adults. Vaccination is the primary …

Influenza virus is a respiratory pathogen that can cause disease in humans, with symptoms
ranging from mild to life-threatening. The vast majority of influenza virus infections in …

In spite of current influenza vaccines being immunogenic, evolution of the influenza virus
can reduce efficacy and so influenza remains a major threat to public health. One approach …

Background. The efficacy of influenza vaccines may vary annually. In 2004–2005, when
antigenically drifted viruses were circulating, a randomized, placebo-controlled trial …

Influenza virus causes acute upper and lower respiratory infections and is the most likely,
among known pathogens, to cause a large epidemic in humans. Influenza virus mutates …