The antigenic composition of the trivalent inactivated split-influenza vaccine from 1992 to 2001 met the WHO recommendations for the preparation of influenza vaccines ( Table I). Unless otherwise ...

Influenza has historically been an uncommon ... a pandemic are likely to be preventive ones (Table 1). If an effective vaccine is available, staff and parents should be immunized.

Most flu cases appear to be from influenza A strains, with a split between influenza A/H3N2 ... virus characteristics, vaccine effectiveness and increased human contact via travel, office work ...