Tag: the Delta variant

RIO DE JANEIRO, BRAZIL - Pharmaceutical companies Pfizer and BioNTech announced Monday (20) that the results of the latest clinical trials of their Covid-19 vaccine for children aged 5 to 11 years have generated a "robust" antibody response and...
RIO DE JANEIRO, BRAZIL -Experts stated that in Argentina, the first scientific study published for the Sputnik Light vaccine, the first component of Sputnik V against Covid-19, showed an efficacy of 78.6% in preventing infection against the disease. "We found...

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