The influenza virus, which causes a...

The influenza virus, which causes an epidemic nearly each year, has the healthcare industry scrambling this 2003-2004 season as it prepares for an unexpect strain that might cause double the average number of flu-related deaths.

Influenza viruses of archetypes A or B can make 10% to 20% of Americans sick each year, according to a Rose report by the agency of ING Re. The ...