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		</div><p>AstraZeneca has asked the US Food and Drug Administration to authorise the emergency use of an antibody treatment to prevent Covid-19.</p>
<p>The Anglo-Swedish drug maker, which developed one of the first Covid vaccines, said the treatment, known as AZD7442, would be the first long-acting antibody combination to receive an emergency use authorisation for Covid-19 prevention.</p>
<p>The treatment may help protect people whose immune systems do not respond adequately to vaccination, AstraZeneca said.</p>
<p>Late-stage human trials showed that AZD7442 reduced the risk of developing symptomatic Covid-19 by 77%.</p>
<p>More than three-quarters of the participants had suppressed immune systems and other conditions that made them more susceptible to severe disease.</p>
<p>“Vulnerable populations such as the immunocompromised often aren’t able to mount a protective response following vaccination and continue to be at risk of developing Covid-19,” Mene Pangalos, AstraZeneca’s executive vice president for pharmaceutical research, said in a statement.</p>
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<p>“With this first global regulatory filing, we are one step closer to providing an additional option to help protect against Covid-19 alongside vaccines.”</p>
<p>US demand for antibody treatments soared over the summer, particularly in states like Florida, Louisiana and Texas, where hospital admissions among unvaccinated patients threatened to overwhelm the health care system.</p>
<p>The drugs are laboratory-made versions of virus-blocking antibodies that help fight infections. The treatments help the patient by supplying concentrated doses of one or two antibodies.</p>
<p>The main antibody treatment being used in the US is Regeneron’s dual-antibody cocktail. The FDA has also authorised the Regeneron product as protection for high-risk people against severe Covid-19.</p>
<p>Meanwhile, Johnson &; Johnson asked the FDA to allow extra shots of its Covid-19 vaccine as the US government moves towards expanding its booster campaign to millions more vaccinated Americans.</p>
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<p>J&;J said it filed a request with the FDA to authorise boosters for people 18 and older who had previously received the company’s one-shot vaccine.</p>
<p>While the company said it submitted data on different booster intervals, ranging from two to six months, it did not formally recommend one to regulators.</p>
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