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COVID: New Antibody Treatment Could Offer Up To 18 Months’ Protection Against Severe Disease

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A new treatment could soon help protect people from developing severe COVID. AstraZeneca has just released results from a phase 3 clinical trial – the final stage of testing before a drug is authorised – that suggest its new COVID treatment, AZD7442, is effective at reducing severe disease or death in non-hospitalised COVID patients.

After they’ve done their job of clearing the virus, the antibodies remain in the body for a period of time, making up part of our immunological memory. If what they target is encountered again, they can leap into action.

The trial also looked specifically at patients who received treatment quickly – that is, within five days of their symptoms starting. In this group, AZD7442 reduced the risk of severe disease or death by 67%, suggesting that early treatment with AZD7442 provides greater protection.

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