Recommendations for Influenza Vaccine Composition
Northern hemisphere: 2001-2002
It is recommended that vaccines to be used in the 2001-2002 season (northern hemisphere winter) contain the following:
- an A/New Caledonia/20/99(H1N1)-like virus
- an A/Moscow/10/99(H3N2)-like virus*
- a B/Sichuan/379/99-like virus**
* The widely used vaccine strain A/Panama/2007/99 is an A/Moscow/10/99-like virus. **B/Johannesburg/5/99 and B/Victoria/504/2000 are B/Sichuan/379/99-like viruses, which have been used for vaccine production.