influenza

Epidemiological surveillance of influenza in Greece during the second post-pandemic influenza season 2011-2012: a comparison with the first post-pandemic season 2010-2011

Introduction Clinical as well as laboratory influenza surveillance for the 2011-2012 season officially began on week 40/2011 and ended on week 20/2012, as is customary for each influenza season. Clinical surveillance was carried out by the primary care sentinel surveillance…