WHO Consultation on Influenza Vaccine Composition for the Northern Hemisphere in 2010/2011 season has started yesterday (February 14, 2010) in Geneva, Switzerlend. WHO has called the leading influenza experts of the World to give the recommendation on this important issue. Among 33 invitees from the WHO Collaborating Centers on Influenza, and National Influenza Centers and other stakeholders is an expert from Mongolia: Prof.P.Nymadawa, Scientific Advisor, NIC, Mongolia. On the following three days the experts will discuss in the closed doors the problem from different angles of the subject and will announce for the public the vaccine composition recommendation on February 18, 2010.