A gas cylinder exploded and prompted a fire in a Siberian research facility which houses samples of smallpox, SARS, Ebola and other potentially deadly viruses. Russian officials said there was no threat of contamination.
https://www.dw.com/en/russia-says-no-danger-after-blast-in-s...
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"The first practical use of the test system for the detection of antibodies to COVID-19, developed by the Novosibirsk State Research Center of Virology and Biotechnology" Vector ", was held among the employees of the FSBI" National Medical and Surgical Center. N.I. Pirogov" Ministry of Health of Russia. Testing was carried out in 204 employees of the center, who had no symptoms of acute respiratory viral infections in the previous two months. According to the results of testing, antibodies to coronavirus were detected in 30 employees of the Center working in the" red "zone and at the entrance to it", - the message says.
https://news.rambler.ru/community/44036116-immunitet-k-koron...