(The Center Square) - Limited mask mandates are returning to several counties in California’s Bay Area through spring of 2025. In Alameda, Contra Costa, Santa Clara, San Mateo, and Napa

A Monmouth County, New Jersey resident has tested positive for measles, state health officials say.

This article is a non-technical introduction to the subject. For the main encyclopedia article, see Virus.

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.

Two men in their 40s, who reside in the same household, contracted the virus and are and currently recovering at home, officials said.

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

Find the latest numbers of confirmed measles cases in the U.S. CDC updates this page weekly.

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.

By Jack Phillips Contributing Writer Mask mandates will be returning to several counties in California’s San Francisco Bay Area starting next month. The orders, which were handed down by individual counties, […]

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.

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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.

The patient may have exposed people in four separate communities.

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.

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

For a more accessible and less technical introduction to this topic, see Introduction to viruses.

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