Update: influenza activity -- United States, 2002-03 season.(statistics)

From: Morbidity and Mortality Weekly Report | Date: January 17, 2003 | Copyright information

Although overall influenza activity in the United States remained low from late September through early January, it is expected to increase during the coming weeks. Laboratory-confirmed influenza infections have been reported from 25 states. Influenza viruses isolated this season are antigenically well matched by this season's influenza vaccine. This report summarizes influenza activity in the United States during September 29, 2002--January 4, 2003, and updates the previous summary * (1).

During September 29-January 4, World Health Organization collaborating laboratories and ...

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