COVID-19 booster strategy as Delta multiplies, highlights ‘disappointing inequality’: WHO

World Health Organization

Geneva 12th July 2021. The COVID-19 Delta variant is travelling around the world at a “scorching pace” driving a new spike in cases and deaths, but it’s exposing a ‘hugely uneven and inequitable’ global gap in vaccine supply, the head of the World Health Organization (WHO) said on Monday.

Who DG Tedros Adhanom Gebreyesus said,

“We don’t know whether booster vaccines will be needed to maintain protection against COVID-19 until additional data is collected, but the question is under consideration by researchers.” 

He said, “Clinical trials on these vaccines only began a year ago, and roll-out across populations even more recently. There is, therefore limited data available on how long the protection from current doses lasts and whether an additional booster dose would be beneficial and for whom.” 

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