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The World Health Organization said on Monday it had approved Bavarian Nordic’s mpox vaccine for adolescents aged 12 to 17 years, an age group considered especially vulnerable to outbreaks of the disease that has triggered global concern.

COVID-19 XEC variant is now circulating in the US. Here is what you need to know about the strain.

The U.S. Food and Drug Administration has put on hold a trial of Novavax’s COVID-influenza and its standalone flu vaccines after a participant who took the combination shot reported nerve damage, the company said on Wednesday.

It has some new mutations that might help it spread this autumn, scientists say.

COVID XEC variant has been confirmed in 27 countries in Europe, North America and Asia, according to data specialist Mike Honey, as the strain grows.

The swift spread of a new virulent strain of the mpox virus across Africa triggered the World Health Organization (WHO) to declare it once again a public health emergency of international concern last week.

Enterovirus D68 is linked to rare cases of the polio-like illness acute myelitis, or AFM. So far this year, the CDC has confirmed 13 cases of AFM.

Several people caught dengue fever locally in Los Angeles this fall. Climate change and invasive mosquitoes have made that possible, experts say.