Influenza vaccination during pregnancy has been shown to decrease the risk of influenza
and its complications among pregnant women and their infants up to 6 months old. To …

Aim Studies carried out in the early 2000s found that the number of influenza‐associated
hospitalizations and deaths was highest in seasons dominated by A (H3N2), suggesting that …

There has been considerable controversy over the past year, particularly in Europe, over
whether the World Health Organization (WHO) changed its definition of pandemic influenza …

BACKGROUND: A modification to the case–control study design has become popular to
assess vaccine effectiveness (VE) against viral infections. Subjects with symptomatic illness …

Background. No studies have examined the effectiveness of influenza vaccine against
intensive care unit (ICU) admission associated with influenza virus infection among children …

Abstract Background. The 2010–2011 influenza season was dominated by influenza A
(H3N2) virus, but influenza A (H1N1) pdm09 (pH1N1) and B viruses cocirculated. This …

Background. Persons with influenza can develop complications that result in hospitalization
and death. These are most commonly respiratory related, but cardiovascular or neurologic …

Respiratory viral infections are frequently associated with significant morbidity following
transplantation and are therefore of great clinical and epidemiologic interest. As new viruses …

Background Interventions to prevent influenza-related complications are recommended for
individuals at the greatest risk of serious clinical deterioration. However, guidelines are …

Rationale: The 2009 H1N1 flu appeared to cause more severe cold symptoms during the
2009–2010 flu season. Objectives: We evaluated H1N1 infections during peak viral season …