US FDA approves Valneva's chikungunya vaccine

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Nov 9 (Reuters) - The U.S. Food and Drug Administration (FDA) on Thursday approved Valneva's (VLS.PA) single-shot vaccine for individuals 18 years of age and older who are at increased risk of exposure to the chikungunya virus...

Valneva's vaccine, with the brand name Ixchiq, is the first preventive shot to be approved in the United States for the mosquito-borne disease...

The FDA's decision is based on late-stage trials, which showed the vaccine was able to induce antibody levels that could neutralize the chikungunya virus in 98.9% of participants for 28 days post-vaccination...

The health regulator, however, asked the company to conduct a post-marketing study to assess the risk of severe chikungunya-like adverse reactions following administration of Ixchiq...

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