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COVID-19 vaccines are not comparable in terms of efficacy, experts agree

Publicado em 17 fevereiro 2021
Which is the best COVID-19 vaccine? For the experts who participated in a webinar held by FAPESP, this question cannot be answered right now. The various vaccines approved and in use around the world were developed using different techniques and tested under different conditions, so the results of the respective Phase 3 clinical trials completed to date are simply not comparable. “It’s impossible to say if this or that vaccine confers more protection than another. They’ve [...]