Not all cases of La Crosse disease affect the neurological system, but those that do can be severe and sometimes fatal – especially in children.

Health officials say the new case of polio in New York state and the presence of poliovirus in the municipal wastewater suggests that hundreds more could already be infected with the disease.

The monkeypox virus can easily spread between humans and animals. A veterinary virologist explains how the virus could go from people to wild animals in the US – and why that could be a problem.

Coinfections with bacteria can make viral infections even deadlier. Researchers have identified a protein in immune cells that may play a role in fighting both types of pathogens.

Plant care advice abounds on TikTok, Twitter, Instagram and YouTube – but not all of it is good. A plant expert debunks four common recommendations.

It’s not just mosquitos. Flooding, extreme heat and other climate-related hazards are bringing people into contact with pathogens more often, and affecting people’s ability to fight off disease.

While the majority of monkeypox cases thus far have been recorded among men who have sex with men, everyone is still at risk of contracting the disease.

There are two approved monkeypox vaccines in the US. Both use a related poxvirus called vaccinia to produce an immune response that protects against smallpox and monkeypox.

By late July 2022, monkeypox was present in more than 70 countries with significant spread in certain communities. As a result, the World Health Organization began taking steps to fight the virus.

The monkeypox virus, which is commonly found in West and Central Africa, is now causing many infections in the U.S., Europe and Latin America.