Third virus vaccine reaches major hurdle: Final US testing
https://healthell.blogspot.com/2020/09/third-virus-vaccine-reaches-major.html
Third virus vaccine reaches major hurdle: Final US testing
A handful of the dozens of experimental COVID-19 vaccines in human testing have reached the last and biggest hurdle — looking for the needed proof that they really work as a U.S. advisory panel suggested Tuesday a way to ration the first limited doses once a vaccine wins approval.