Vaccine makers are racing to develop COVID-19 vaccines, and have advanced ten candidates into clinical trials. But challenges remain. Asher Mullard reports.
Vaccine development is typically a long game. The US Food and Drug Administration only approved a first vaccine against Ebola virus last year, 43 years after the deadly virus was discovered. Vaccinologists have made little headway with HIV or respiratory syncytial virus, despite huge investments. On average, it takes 10 years to develop a vaccine. With the COVID-19 crisis looming, everyone is hoping that this time will be different.
This article was written by Asher Mullard and appeared in The Lancet on 06 June.
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