While watching @SenWarren claim @RobertKennedyJr will bring back polio, keep in mind that every single case of polio here in the last 50 years came from a vaccine.
Comments
Log in with your Bluesky account to leave a comment
Since the last wild poliovirus case in 1979, any subsequent polio cases within the U.S. that were not from importation have been linked to the live, attenuated virus in the OPV.
From Grok! Other than imported wild poliovirus, all documented cases of polio in the US over the last 50 years have been caused by vax derived poliovirus (VDPV) from the oral polio shot (OPV).
Comments