No guarantee any Covid vaccine in development will work: WHO Chief
Geneva, September 23 : Globe Health Organisation (WHO) chief Tedros Adhanom Ghebreyesus has stated that the top health organisation has no assure whether any single COVID-19-19 vaccine as of now in development (devt) going to work (5). Awhile solving a virtual press conference, the WHO chief stated: “We’ve no assure that any single vaccine as …