The developer of the AstraZeneca shot says the Delta variant has made herd immunity impossible because vaccinated people can still transmit the virus
August 11, 2021
in International
Achieving herd immunity is "not a possibility" with the Delta variant, Sir Andrew Pollard said. That is because the variant can be transmitted by vaccinated people, he said. "We don't have anything which will stop that transmission," he said. See more stories on Insider's business page. The Delta variant...
