'No silver bullet' for coronavirus, WHO warns

Officials exhort countries ‘do it all’ to curb the spread of COVID-19 as there might never be a lasting vaccine.

The World Health Organization (WHO) warned that there might never be a “silver bullet” for COVID-19, despite the “unprecedented” rush by nations across the world to find a vaccine. 

“A number of vaccines are now in phase three clinical trials and we all hope to have a number of effective vaccines that can help prevent people from infection,” WHO Director-General Tedros Adhanom Ghebreyesus said on Monday, adding that the international scramble for a vaccine was also “unprecedented”.

“However, there’s no silver bullet at the moment – and there might never be,” he said, underscoring uncertainties.

“There are concerns that we may not have a vaccine that may work, or its protection could be for just a few months, not more. But until we finish the clinical trials, we will not know.”

Speaking from the United Nations body’s headquarters in Geneva, the WHO head exhorted governments and citizens to rigorously enforce health measures such as mask-wearing, social distancing, handwashing and testing.

“The message to people and governments is clear: ‘Do it all’,” Ghebreyesus said of the novel coronavirus, which has killed more than 690,000 people and infected at least 18 million.

Their scoping mission is now complete, said Ghebreyesus.

“The WHO advance team that travelled to China has now concluded their mission to lay the groundwork for further joint efforts to identify the virus origins,” he said. “WHO and Chinese experts have drafted the terms of reference for the studies and programme of work for an international team, led by WHO.”

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