Houston Chronicle

Doctors warned over bad batch of vaccines

- By Laura J. Nelson

California’s top epidemiolo­gist told healthcare providers on Sunday to stop using a batch of Moderna’s COVID-19 vaccine after a “higher than usual” number of people had apparent allergic reactions at a San Diego vaccinatio­n clinic.

Dr. Erica Pan, the state epidemiolo­gist, said Sunday that “out of an extreme abundance of caution,” providers should stop using the doses until federal, state and company officials finish an investigat­ion.

California has received about 330,000 doses from the Moderna lot in question — about 10 percent of all the vaccine, both Moderna’s and Pfizer’s, that has been distribute­d across the Golden State, officials said.

The apparent allergic reactions occurred at San Diego County’s drive-thru mass vaccinatio­n site at Petco Park, said California Department of Public Health spokesman Darrel Ng.

A “higher than usual” number of patients who received the vaccine appeared to be suffering from allergic reactions. Their symptoms were severe and required medical attention, Pan said.

No other cluster of issues, or individual issues, have been reported with the Moderna batch, lot 041L20A, which was distribute­d to 287 medical providers across the state, officials said. The batch arrived in California between Jan. 5 and Jan. 12.

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