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EU authorizes sale of vaccine against RSV in infants

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The EU on Friday authorized the sale of a vaccine to protect infants from respiratory syncytial virus (RSV), a disease that in worst cases can lead to pneumonia and bronchiolitis.

The bloc-wide marketing authorization of the jab, called Abrysvo and made by Pfizer, follows approval by the European drug watchdog, the European Medicines Agency (EMA) last month.

The United States' Food and Drug Administration gave its own authorization for the same vaccine for infants on Monday.

The European Commission said its authorization of Abrysvo for infants, and also in , was made ahead of the European autumn and winter, when cases surge.

"This is our first EU-authorized RSV vaccine that not only protects older adults but also infants, already from birth," EU health commissioner Stella Kyriakides said.

She noted that RSV in children was "a leading cause of hospitalization in the EU" and she looked forward to the 27 member countries making the shot available under national vaccination programs.

The EMA said the shot is administered to so that babies are born with RSV immunization lasting for six months.

While the EU-wide authorization was a first for infants, another RSV vaccine, a drug called Arexvy made by GlaxoSmithKline, was already approved across the bloc since June for people over 60. It will now be joined by the Pfizer jab for adults in that age group.

RSV normally causes mild, cold-like symptoms, but can be serious for infants, the elderly, those with weak immune systems and underlying conditions.

In severe cases it can cause pneumonia and bronchiolitis, an inflammation of the small airways deep inside the lungs.

The approval of the new RSV vaccines is the culmination of a decades-long hunt to protect vulnerable people from the common illness.

Abrysvo is a bivalent vaccine—meaning it protects against more than one virus strain—and when given to a person, their immune system generates specific antibodies and T-cells ( cells) that help prevent RSV infection.

British-Swedish pharmaceutical firm AstraZeneca and France's Sanofi have already had an RSV therapeutic drug called Beyfortus on the EU market since November last year, for use in infants needing medical attention.

Analysts predict the market for preventing RSV could be worth more than $10 billion in the next decade, with similar shots from other makers including Moderna expected to follow soon.

© 2023 AFP

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