Number of Covid-19 vaccines growing but volume of doses remains concern, says WHO Adviser
Dec 11, 2020
Geneva [Switzerland], December 12 (ANI/Sputnik): The World Health Organization (WHO) is encouraged by the growth in the number of vaccines against COVID-19 that have performed well in clinical trials, although the organization remains concerned by the limited number of doses currently available, Bruce Aylward, a senior WHO adviser, said on Friday.