New Covid variant and children: CDC doesn’t know if variants cause rare complication in kids January 27, 2021
US Coronavirus: Now that new Covid-19 variants are circulating everyday activities are more dangerous, expert says January 26, 2021
UK doctor warns world may need annual COVID-19 vaccine due to variants January 25, 2021January 25, 2021
U.S. Coronavirus Cases Are Falling, but Variants Could Erase Progress January 23, 2021January 23, 2021