Brazil Regulator Rejects Sputnik V Vaccine Citing Serious Quality & Safety Concerns

Russian Backers Deny Risks & Say Move Is ‘Political’

Sputnik V is the latest COVID-19 vaccine to be targeted over safety concerns, but Brazil’s Anvisa has also raised questions over quality and manufacturing standards.

Studio production of syringe, vaccine ampoule and coins, on a blue background, in Brazil
The Sputnik V coronavirus vaccine has run into problems in Brazil • Source: Alamy

The Brazilian medicines regulatory agency Anvisa has rejected requests for the importation and use of Russia’s Sputnik V adenovirus-based vaccine, saying the product lacks adequate data on quality, safety and efficacy.

Asserting that there were “failures in product development at all stages of clinical studies” with the vaccine, Anvisa cited “troubling information” that the cells where the adenovirus is produced “allow its

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