March 9 coronavirus news

Some Covid-19 “long-haulers” may originally have no symptoms at all, study suggests. …  “There has been conflicting information regarding whether asymptomatic individuals go on to become long-haulers, and roughly 32% of those reporting symptoms at day 61+ in our study were initially asymptomatic at the time of SARS-CoV-2 testing,” researchers from various institutions [including UCI] in the United States wrote in the paper. SARS-CoV-2 is the name of the virus that causes Covid-19.