Recommendations for Influenza Vaccine Composition
Northern hemisphere: 2000-2001
It is recommended that vaccines to be used in the 2000-2001 season (northern hemisphere winter) contain the following:
- an A/Moscow/10/99 (H3N2)-like virus*
- an A/New Caledonia/20/99 (H1N1)-like virus
- a B/Beijing/184/93-like virus**
* A/Panama/2007/99 is an A/Moscow/10/99 (H3N2)-like virus.
**The most widely used vaccine strain is B/Yamanashi/166/98.