Astrazeneca vaccine is less effective against the South African strain

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The coronavirus vaccine developed by AstraZeneca and the

does not appear to protect against mild and moderate illness caused by the South African variant of the coronavirus, the

reports

, citing a study due to be published Monday.

The pharmaceutical company has communicated that the vaccine is equally effective against the

of the coronavirus, according to new scientific evidence released this Friday.

Among the coronavirus variants that are currently of most concern to scientists and public health experts are the so-called

variants

, which appear to spread more rapidly than others.

"In this small phase I / II trial, early data have shown limited efficacy against mild disease primarily due to the South African variant B.1.351," said an AstraZeneca spokesperson in response to the FT report.

"However, we have not been able to adequately determine its effect against severe illness and hospitalization since

."

According to the criteria of The Trust Project

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