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Coronavirus: Pfizer pushes for third shot as Delta drives world’s outbreaks

Pfizer and BioNTech announced they would seek authorisation for a third dose of their Covid-19 vaccine to boost its efficacy, as the Delta variant drove devastating outbreaks in parts of the world.Delta is the most infectious strain of the virus since the start of the global pandemic in early 2020.Originally detected in India months ago, it has quickly spread and today is accelerating outbreaks even in countries with high vaccination rates.This led the World Health Organization to warn that the…

Read the original article at South China Morning Post

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