Pfizer’s phase 3 Covid-19 vaccine trial is near complete enrollment with 42,000 volunteers

Pfizer’s phase 3 Covid-19 vaccine trial has enrolled more than 42,000 volunteers, the company announced Tuesday when it released a mixed third-quarter earnings report. It said nearly 36,000 of the volunteers have already received the second of its two-dose Covid-19 vaccine. Pfizer has as been working alongside German drug-maker BioNTech on the experimental vaccine. It contains genetic …

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