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Vaccine Storage Too Often Fails To Meet Standards
Kaiser Health News

By correcting one potential error, the Ventura County (Calif.) Health Care Agency accidentally made another — and jeopardized vaccines given to thousands of people in the process.

In October 2017, county health officials, concerned that vaccines were getting too warm while being transported to clinics, changed their protocol. But a routine audit in November found that the ice packs they were using may have frozen some of the medicines and lowered their effectiveness. The agency then offered to reimmunize everyone who had received a vaccine that was delivered in faulty packaging.