In the antiviral business everything changes.
The Centers for Disease Control and Prevention's U.S. map in shades of green indicates a low incidence of influenza in the country for week No. 44, ending Nov. 6. That wasn't the case last year at this time when all indicators were red and orange in high alert due to the H1N1 swine flu pandemic that disrupted the production and distribution of the seasonal flu supply.
Food retailers then were scrambling to get their seasonal influe