Viruses mutate all the time, including the coronavirus that’s caused the global Covid-19 pandemic. Although most of the changes are innocuous, several mutants have sparked alarm, and three variants that emerged in the U.K., South Africa and Brazil have caused particular concern as they spread worldwide. Studies suggest they are more contagious, and some evidence points to one of them being more deadly and two others driving reinfections. Developers are working on second-generation vaccines after
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.
Viruses mutate all the time, including the coronavirus that’s caused the global Covid-19 pandemic. Although most of the changes are innocuous, several mutants have sparked alarm, and three variants that emerged in the U.K., South Africa and Brazil have caused particular concern as they spread worldwide. Studies suggest they are more contagious, and some evidence points to one of them being more deadly and another driving reinfections. Vaccine developers are working on new versions after early da
pandemic, and now as
vaccines become more widely available, we are reporting on how our local schools, businesses and communities are returning to a more normal
future. There s never been more of a need for the kind of local, independent and unbiased journalism that The Day produces.
Please support our work by subscribing today.
Here s why the mutated coronavirus variants are so worrisome
Laryn Rajkarnikar, of Churchill, Pa., a nurse practitioner with Central Outreach Wellness Center, administers a dose of the COVID-19 vaccine to Valerie Reyes, of Pittsburgh, at a vaccine clinic hosted by Casa San Jose and the Pittsburgh Hispanic Development Corporation, Saturday, April 17, 2021, in the Beechview area of Pittsburgh. The clinic was organized to help ease language barriers and lessen vaccine hesitancy in Latin communities with outreach and translators available at the clinic. (Alexandra Wimley/Pittsburgh Post-Gazette via AP)
Viruses mutate all the time, including the coronavirus that’s caused the global Covid-19 pandemic. Although most of the changes are innocuous, several mutants have sparked alarm, and three variants that emerged in the U.K., South Africa and Brazil have caused particular concern as they spread worldwide. Studies suggest they are more contagious, and some evidence points to one of them being more deadly and another driving reinfections. Vaccine developers are working on new versions after early da