Will COVID-19 vaccines protect us? Does efficacy equal effectiveness?2 min read 27 Nov 2020, 10:54 PM IST
Pfizer-BioNtech and Moderna have each said their coronavirus vaccines have an efficacy rate of around 95%
Evidence so far suggests that COVID-19 vaccines developed by Pfizer-BioNtech, Moderna and AstraZeneca will help stop people developing the disease
The frontrunners in the COVID-19 vaccine race have emerged with different success rates for their shots in clinical trials, but what does that mean for the global fight against the pandemic?