CDC identifies potential “safety concern” for some people receiving COVID vaccines


The Centers for Disease Control says it has identified a “signal of safety” for the preliminary COVID-19 vaccine and is investigating whether the Pfizer-BioNTech bivalent vaccine increases the risk of ischemic stroke in people 65 and older.

In a statement, the CDC says that no early signal has been detected with the Bivalent Moderna COVID-19 vaccine.


A syringe with the Pfizer COVID-19 vaccine is prepared at the vaccination clinic at Keystone First Wellness Center on December 15, 2021 in Chester, Pennsylvania.
(AP Photo/Matt Rourke, File)

“Following the availability and use of updated COVID-19 (bivalent) vaccines, CDC’s Vaccine Safety Data (VSD) real-time surveillance system met the statistical criteria to initiate an investigation. to determine whether there is a safety concern related to ischemic stroke in people 65 years of age and older who received the bivalent Pfizer-BioNTech COVID-19 vaccine.

“The Rapid Signaling Response Study in VSD questioned whether people over 65 years of age who received the Pfizer-BioNTech COVID-19 vaccine were more likely to have an ischemic stroke within 21 days of 22-44 days after bivalent vaccination. after vaccination,” the CDC said in a statement Friday.

This is an evolving story.


All news on the site does not represent the views of the site, but we automatically submit this news and translate it through software technology on the site rather than a human editor.

Leave A Reply

Your email address will not be published.