The limitations of COVID 19 vaccine.

Oxford-Astra Zeneca efficacy rate 62% Moderna vaccine 92% efficacy. Professor Cunningham. Due to lack of data to early to tell effectiveness in the elderly . Professor Cunningham on Astra Zeneca ‘ l have never seen a trial so polluted’ ———-vaccine may not stop transmission but may reduce serious effects we don’t know howContinue reading “The limitations of COVID 19 vaccine.”

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