AstraZeneca COVID-19 vaccine trial volunteer has died, Brazil health authority says - Reuters

10:24am PDT - October 21st, 2020    cnbc - Reuters

1. AstraZeneca COVID-19 vaccine trial volunteer has died, Brazil health authority says  Reuters
2. AstraZeneca shares turn negative after Brazilian health authority says volunteer in Covid vaccine study dies  CNBC
3. What is tested in COVID…