Recommended composition of influenza virus vaccines for use in the 2007 influenza season.

Recommended composition of influenza virus vaccines for use in the 2006 influenza season.

Recommended composition of influenza virus vaccines for use in the 2018 southern hemisphere influenza season.

The World Health Organization (WHO) convenes technical consultations in February/March and September each year to recommend viruses for inclusion in influenza vaccines for the northern and southern hemisphere influenza seasons, respectively. This recommendation relates to the influenza vaccines for use in the forthcoming southern hemisphere 2018 influenza season. A recommendation will be made i...

Recommended composition of influenza virus vaccines for use in the 2005 influenza season.

This recommendation relates to the composition of vaccines for the forthcoming winter in the southern hemisphere (May–October 2008). A recommendation will be made in February 2008 relating to vaccines that will be used for winter in the northern hemisphere (November 2008–April 2009). Epidemiological considerations will influence which recommendation (September 2007 or February 2008) is more app...

Phylogenetic Comparison of Influenza Virus Isolates from Three Medical Centers in Tehran with the Vaccine Strains during 2008-2009

Background: Influenza virus is a major infectious pathogen of the respiratory system causing a high degree of morbidity and mortality annually. The worldwide vaccines are decided and produced annually by World Health Organization and licensed companies based on the samples collected from all over the world. The aim of this study was to determine phylogenecity and heterogenecity of the circulati...

Recommended composition of influenza vaccines for use in the 2012 southern hemisphere influenza season.