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Germany Restricts Use Of Astrazeneca Vaccine To Over 60s In Most Cases News Dw 30 03 2021
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Effectiveness Of The Pfizer Biontech And Oxford Astrazeneca Vaccines On Covid 19 Related Symptoms Hospital Admissions And Mortality In Older Adults In England Test Negative Case Control Study The Bmj
The Economist Phase Three Trials Of China S Coronavac Vaccine Which Were Conducted On Health Care Workers In Brazil Yielded An Efficacy Rate Of Just 50 7 This Is Barely Above The 50 Threshold Set
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