The flu season in the United States has now reached 18 straight weeks above baseline levels but shows signs of easing, the Centers for Disease Control and Prevention (CDC) said today in its weekly FluView update.

Partly because of increased activity of the H3N2 strain, however, the CDC issued a Health Alert Network (HAN) advisory yesterday to clinicians about the prolonged season and the need for antiviral drugs for some patients. The past five seasons have averaged 16 weeks, with the longest being 20 weeks.

Credit: iStock, kokouu

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See also:

Mar 29 CDC FluView

Mar 29 CDC FluView summary

Mar 28 CDC HAN notice