The World Health Organization has given emergency approval to a coronavirus vaccine made by US-based Novavax and the Serum Institute of India, paving the way for its inclusion in the UN-backed programme to get such vaccines to poorer countries around the world.The vaccine, known as Covavax, is the ninth to be granted an emergency use authorisation from the UN health agency, marking a vote of confidence for Novavax that could also mean the shots will be accepted by some countries that only admit…
