The World Health Organization says it has cleared the Pfizer-BioNTech coronavirus vaccine for emergency use, meaning poorer countries may soon get access to the shot already available in Europe and North America. Every country that has a drug regulatory agency will have to issue its own approval for any Covid-19 vaccine, but countries with weak systems usually rely on WHO to vet the shots.from World News Headlines, Latest International News, World Breaking News - Times of India https://ift.tt/3rMPajc
