Tainted Sputnik V Vaccines Sent to Brazil Contained Live Common Cold Virus

Brazil’s health regulator the National Health Surveillance Agency (Anvisa) has decided not to authorize the import of the Russian Sputnik V coronavirus vaccine, saying it contained a live version of a virus causing common colds.

In a statement released Wednesday, Anvisa said there was insufficient data to ensure the safety, quality and efficacy of the product.

“The decision was made based on data collected and evaluated by the technical teams of the General Management of Medicines and Biological Products (GGMED), Sanitary Inspection and Inspection (GGFIS) and the Monitoring of Products Subject to Health Surveillance (GGMON),” said the statement.

GGMED found flaws in the development of the vaccine in all stages of the clinical studies, the health regulator added.

“One of the worrying information regarding the evaluation of the data available so far is that the cells where the adenoviruses are produced for the development of the vaccine allow their replication.”

“This can lead to infections in humans and can cause damage and death, especially in people with low immunity and respiratory problems, among other health problems.”

In response, the Russian manufacturer said, “The decision by Brazil’s National Health Surveillance Agency (Anvisa) to delay the approval of Sputnik V is, unfortunately, of a political nature and has nothing to do with the regulator’s access to information or science.”

They also said that the decision contradicted an earlier decision by Brazil’s Ministry of Science, Technology and Innovation which declared the vaccine safe for production, as they addressed the issues raised by the regulator.


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