Russia has been testing several vaccines and eight drugs to treat severe acute respiratory syndrome coronavirus 2, or SARS-CoV-2 commonly known as COVID-19, an official said Wednesday.

Doctors found antibodies for the virus in the blood of 11 patients who recovered at the end of March, Vice Prime Minister Tatyana Golikova said at a virtual government meeting with Russia’s President Vladimir Putin.

A test-system that allows scientists to study the efficiency of vaccines has been produced and several vaccines prototypes have been developed with pre-clinical studies expected to be finished by June 22, and there are already 60 volunteers

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