"Of all methods developed in the United States to destabilize the epidemiological situation, this one is one of the most reckless and irresponsible ones, as it does not allow to control the further development of the situation,” the official said.

"With a high degree of probability, we can say that one of the tasks of the United States and its allies was to create bioagents that could selectively target various ethnic groups of the population,” Igor Kirillov said.
https://english.pravda.ru/news/world/150652-usa_ukraine_biological/