sep 8, 2020 - • AstraZeneca halts their Phase III vaccine trial due to safety reasons.
• The Pfizer-BioNTech partnership expand their Phase III trial by 50% to increase data on safety and efficacy in a more diverse population. Vaccine is administered in 2 shots, 3 weeks apart. Storage conditions are a challenge.
Added to timeline:
COVID 2020 - Policy, vaccines, therapies, and testing
Date:
