WHO director-general warns there may never be a 'silver bullet' for COVID-19

World Health Organization Director-General Tedros Adhanom Ghebreyesus.
(Image credit: Fabrice Coffrini/AFP via Getty Images)

World Health Organization Director-General Tedros Adhanom Ghebreyesus said on Monday he is hopeful that the six coronavirus vaccine candidates now in their third phase of clinical trials will be effective, but warned that there is "no silver bullet at the moment and there might never be."

Until there is an approved vaccine, the world must follow "the basics" of disease control, he said, which involves testing, isolating, tracing, and quarantining, as well as social distancing, regular hand washing, and wearing masks. "The message to people and governments is clear: Do it all," Tedros added.

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Catherine Garcia, The Week US

Catherine Garcia is night editor for TheWeek.com. Her writing and reporting has appeared in Entertainment Weekly and EW.com, The New York Times, The Book of Jezebel, and other publications. A Southern California native, Catherine is a graduate of the University of Redlands and the Columbia University Graduate School of Journalism.