FILE - This undated electron microscope image made available by the U.S. National Institutes of Health in February 2020 shows the Novel Coronavirus SARS-CoV-2. Also known as 2019-nCoV, the virus causes COVID-19. The sample was isolated from a patient in the U.S. On Friday, Feb. 21, 2020, The Associated Press reported on a video circulating online incorrectly asserting that man in Wuhan, China, was sanitizing his apartment with alcohol when the air conditioner came on and caused an explosion and fire. The fire captured on video was the result of a cigarette that was improperly put out on a comforter. The comforter then ignited and was placed on a balcony where nearby debris caught fire in Chongqing, China, a city hundreds of miles away from Wuhan. (NIAID-RML via AP) <저작권자(c) 연합뉴스, 무단 전재-재배포 금지>