Over 50 countries launch Covid-19 vaccination campaigns

Around 50 countries around the world have already started vaccinating their people against Covid-19, barely a year after the first alert by China signalled the start of the epidemic.

source https://timesofindia.indiatimes.com/world/rest-of-world/more-than-50-countries-launch-covid-19-vaccination-campaigns/articleshow/80055859.cms