AstraZeneca (AZN)-Oxford Covid-19 Vaccine Prevents Average of 70% of Covid Cases - Bloomberg

AstraZeneca (AZN)-Oxford Covid-19 Vaccine Prevents Average of 70% of Covid Cases - Bloomberg: A Covid-19 vaccine developed by the University of Oxford and AstraZeneca Plc prevented a majority of people from getting the disease in a large trial, another promising development in the quest to end the pandemic, and the rollout could begin next month.