Surveillance of influenza in Europe from October 1999 to February 2000.
Surveillance of influenza through EISS (European Influenza Surveillance Scheme) during the 1999 to 2000 winter shows that influenza affected most of the 11 participating countries and was particularly active in December 1999 and January 2000. Influenza A(
Manuguerra
J.C
JC
Mosnier
A
A