Recommendations for Influenza Vaccine Composition

Southern hemisphere: 2003

It is recommended that vaccines to be used in the 2003 season (southern hemisphere winter) contain the following:

  • an A/New Caledonia/20/99(H1N1)-like virus
  • an A/Moscow/10/99(H3N2)-like virus*
  • a B/Hong Kong/330/2001-like virus**

* The widely used vaccine strain is A/Panama/2007/99.
** Some currently used vaccine strains are B/Shandong/7/97, B/Hong Kong/330/2001, B/Hong Kong/1434/2002.

(from Weekly Epidemiological Record,Vol.77, 41,2002)