With Johnson & Johnson on Hold, Which Vaccine Trials in Brazil Are Most Advanced?

In Brazil, three vaccines are now under Phase 3 trials, with authorization to recruit 25,000 subjects.

RIO DE JANEIRO, BRAZIL - After the administration of doses in volunteers initiated on October 9th, Johnson & Johnson announced the interruption of its trials in Brazil on Tuesday, October 13th. The pause was triggered by a serious adverse reaction detected in a trial subject. In all, twelve volunteers were administered the drug in Brazil.

While the work of Janssen-Cilag - Johnson & Johnson's pharmaceutical arm - is interrupted, ten other Covid-19 vaccines are currently undergoing their final trial stages, the so-called Phase III clinical trials. The laboratories include Moderna, Pfizer and BioNTech, CanSino Biologics, the Gamaleya Research Institute . . .

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