Recommendations for Influenza Vaccine Composition
Southern hemisphere 1999
It is recommended that vaccines to be used in the 1999 season (southern hemisphere winter) contain the following:
- an A/Sydney/5/97 (H3N2)-like virus;
- an A/Beijing/262/95 (H1N1)-like virus;
- a B/Beijing/184/93-like virus. *
* The most widely used vaccine virus is B/Harbin/7/94.