Pfizer’s vaccine beats 90% of Covid-19 attacks

Regulators in Saudi Arabia approved Pfizer’s two-dose vaccine on Thursday, one day after it was approved for use in Canada.

A Covid-19 vaccine being developed by Pfizer and Germany’s BioNTech has been found to be more than 90 per cent effective, in a major breakthrough that could make the shot available for use by the end of the year if drug authorities give it the green light. The finding was the result of the firs

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