Moscow [Russia], May 30 (Sputnik/ANI): There is no reliable evidence that a person who previously contracted any infection of the coronavirus family has immunity for COVID-19, said Anna Popova, head of Russia's public health watchdog Rospotrebnadzor, on Saturday.
Moscow [Russia], May 26 (ANI): More than 9.1 million tests to detect COVID-19 have been conducted in Russia since the start of the outbreak, the country's public health watchdog, Rospotrebnadzor, said on Tuesday.