Flu activity on the increase
WASHINGTON — The U.S. Centers for Disease Control and Prevention (CDC) is reporting that flu activity in the U.S. saw a moderate spike in late February, including an increase in the number of states reporting widespread activity, according to Vaccine News Daily.
The number of respiratory specimens that tested positive for influenza also increased to 18.4 percent, compared with 14.4 percent the previous week, the article stated.
According to the article, the most commonly detected strain has been H3N2, though the CDC has noted a growing number of pandemic 2009 H1N1 viruses, particularly in the Southwestern and Western states.
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