Viruses mutate all the time, including the novel coronavirus that’s caused the global Covid-19 pandemic. Most of the changes have no apparent effect. But recent variants that have emerged in the U.K., South Africa and Brazil are causing particular concern.
Why the Mutated Coronavirus Variants Are So Worrisome washingtonpost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from washingtonpost.com Daily Mail and Mail on Sunday newspapers.
Why the Mutated Coronavirus Variants Are So Worrisome washingtonpost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from washingtonpost.com Daily Mail and Mail on Sunday newspapers.