After teaming up with Oxford University, AstraZeneca produced a safe and effective Covid-19 vaccine in just nine months, a huge achievement that will help end the pandemic. But a series of missteps along the way has led to scathing criticism from policymakers and health officials, tarnishing the company's image as a hero of the coronavirus era.


원문출처 : https://www.cnn.com/2021/03/25/business/astrazeneca-covid-vaccine/index.html