US authorises the use of dual-variant covid-19 vaccine boosters
https://www.newscientist.com/article/2336281-us-authorises-the-use-of-dual-variant-covid-19-vaccine-boosters/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
US authorises the use of dual-variant covid-19 vaccine boosters