Pfizer says Phase 3 study of their COVID-19 vaccine candidate met "all primary efficacy endpoints". During its early analysis, vaccine had shown 90 per cent efficacy but final analysis involving 170 confirmed cases of COVID-19 showed 95 per cent efficacy.

Pfizer says Phase 3 study of their COVID-19 vaccine candidate met "all primary efficacy endpoints". During its early analysis, vaccine had shown 90 per cent efficacy but final analysis involving 170 confirmed cases of COVID-19 showed 95 per cent efficacy.

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