What& #39;s causing the blood clots? FDA& #39;s Peter Marks says this is just a theory, but that it could be an immune response that occurs very rarely after vaccination, causing activation of blood platelets.
Presser available live here: https://www.youtube.com/watch?v=_ELXnGYgsJY">https://www.youtube.com/watch...
Woodcock says FDA/CDC have done an extensive review of the reported events and looked at the background rate of these clots.
Marks says these types of clots have a background rate of 2-14 per million people. BUT says there& #39;s a pattern of events similar to Europe events.
Marks says these types of clots have a background rate of 2-14 per million people. BUT says there& #39;s a pattern of events similar to Europe events.
Marks: "We have to take the time to make sure we understand this complication."