The Wuhan Institute of Virology, accused by the United States of being responsible for the Covid-19 pandemic, claimed to have three strains (genetic variant though subtype of a microorganism, such as virus or bacterium) of night bats in the laboratory, but none of them match Covid-19.
Claims that the virus came from our lab are a "pure fabrication," said Wang Yanyi, director of the Institute for China's state television, CGTN. "Like everyone else, we didn't know the virus existed. How could he come out of our lab? ?
The first Covid-19 cases were discovered in Wuhan at the end of the year. Since then, the virus has spread around the world and has long been claimed to have been created in a laboratory in Wuhan, which was rejected by the authorities. The origin of pandemic is still surrounded by many questions, but it is thought to have spread from a food and poultry market.