Send the following on WhatsApp
Continue to ChatCOVID vaccine updates: Moderna begins testing booster doses against variants https://live5.news/covid-vaccine-updates-moderna-begins-testing-booster-doses-against-variants.html
COVID vaccine updates: Moderna begins testing booster doses against variants https://live5.news/covid-vaccine-updates-moderna-begins-testing-booster-doses-against-variants.html