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Delayed second Pfizer COVID-19 shot produces triple the antibody levels

Delaying the second dose of Pfizer vaccine by 12 weeks like the UK does triggers THREE FOLD higher levels of protective antibody in older people, study finds UK study found that people who got a second dose 12 weeks after the first triggers 3.5 fold more antibodies  British health officials stretched interval to 12 weeks to get as many people partial protection as quickly as possible   Pfizer, the CDC and FDA all recommend giving doses three weeks apart, and U.S. health officials have been adamantly against delayed dosing  

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