Coronavirus vaccine update: UK to infect volunteers with Covid for vaccine trial, US may allow AstraZeneca trials
Coronavirus vaccine: UK to infect volunteers with Covid-19, US may allow AstraZeneca trials

source https://www.indiatoday.in/coronavirus-outbreak/story/coronavirus-vaccine-update-uk-human-challenge-us-astrazeneca-trials-1733599-2020-10-21?utm_source=rss