AstraZeneca COVID-19 vaccine effective against Delta variant stockbot 0 428 2021.06.20 17:54 http://vietnamnews.vn/society/977919/astrazeneca-covid-19-vaccine-effe… + 5 https://vietnamnews.vn/rss/society.rss + 6 New data from Public Health England (PHE) has demonstrated that the AstraZeneca COVID-19 vaccine offers high levels of protection against the Delta variant (or B.1.617.2, formerly known as the Indian variant), AstraZeneca has said.