NEWS

Drug companies are racing to develop a coronavirus vaccine at breakneck speed, but they’re quickly encountering challenges with clinical trials, production capacity and governmental approval.

The world is pinning its hopes on a vaccine to prevent COVID-19, the disease caused by the coronavirus. Public health experts say that until a vaccine is successfully deployed, it will be difficult to completely lift the social distancing restrictions that have devastated the global economy.

Normally, vaccines often take five to 10 years to develop. Limited human trials of some vaccine candidates are already underway, and experts say there is reason for optimism.

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