Flu Still Widespread – Vaccine Effectiveness 50%
US flu markers are still climbing steadily, with the virus linked to nine more deaths in children, the US Centers for Disease Control and Prevention (CDC) said on Friday in its weekly update.
The percentage of clinic visits for flulike illness has now been above the national baseline for 9 consecutive weeks. Last week the level rose to 5.2%, up from 4.8% reported the week before.
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