According to him, one case of repeated illness has been reliably confirmed abroad and "several more are being considered."

“In Russia, we have not yet recorded reliably confirmed cases of re-infection,” TASS quotes him.

Murashko also said that five Russian vaccines for COVID-19 are currently being considered by the Ministry of Health or have already received permission for research.

In addition, he said that Russia received more than 30 applications from different countries regarding the Russian vaccine against coronavirus infection COVID-19.