The AstraZeneca offices in Macclesfield, Cheshire. (AFP)

An antibody jab by AstraZeneca can prevent and treat Covid-19, a study finds.

In trials, the AZD7442 treatment was effective in preventing severe disease in non-hospitalised patients with mild to moderate coronavirus.

A single shot reduced the risk of severe Covid or death by 50 per cent, compared to a placebo, in people who had been symptomatic for a week or less.

Most of the 903 people in the trial were at high risk of developing severe Covid-19. The treatment is suitable for those who cannot have a regular vaccination, respond poorly to a jab or whose health conditions put them at risk of serious illness.

AstraZeneca has now submitted a request to the US Food and Drug Administration for the jab to be used as a preventative treatment.

Researcher Prof Hugh Montgomery said it could play ‘an important role in combating this devastating pandemic’


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