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Pfizer COVID-19 Vaccine Only 42% Effective Against Delta: Mayo Clinic Study – Flipboard
The study also found the Moderna COVID-19 vaccine to be 76 percent effective against the Delta variant. Vaccines against COVID-19…
Who should get an extra Covid-19 shot? CDC advisory panel says that people with certain conditions that weaken the immune system, like organ transplant recipients. The move comes one day after the FDA…
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