worldUpdated: Jul 22, 2020 23:44 ISTResearchers are making “good progress” in developing vaccines against Covid-19, with a handful in late-stage trials, but their first use cannot be expected until early 2021, a World Health Organization (WHO) expert said on Wednesday. WHO was working to expand access to potential vaccines and to help scale-up production capacity, Ryan said. The US government will pay $1.95 billion to buy 100 million doses of a Covid-19 vaccine being developed by Pfizer Inc and German biotech BioNTech if it proves safe and effective, the companies said. Click here for complete coronavirus coverageRyan also cautioned schools to be careful about re-opening until community transmission of Covid-19 is under control. Debate in the United States over restarting education has intensified, even as the pandemic flares up in dozens of states.

Source: Hindustan Times July 22, 2020 18:03 UTC