The head of the US Center for Disease Control and Prevention (CDC) has tested positive for Covid again – after a course of Paxlovid saw her recover from the virus.
Dr Rochelle Walensky initially tested positive on October 21 and tested negative sometime in recent days after taking Pfizer’s antiviral pill.
But the CDC said today her symptoms had returned and she was positive for the virus again on Sunday, October 30.
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