The California Department of Health reports that three hospitalized clade I mpox patients are now recovering, marking the ...

Clade I mpox has been seen in the United States before, but only in people with recent travel abroad. The three cases in ...

Health officials in Southern California are investigating the spread of a new strain of the Monkeypox virus after three cases were reported last week in the region.

The first two cases in the U.S. of a more severe strain of mpox not linked to travel have been confirmed in L.A. County.

​As previously reported, the mpox variant that blew up in 2022 in the US was the clade II variant. It has a fatality rate of ...

A more dangerous mpox strain, Clade 1, has spread inside the US for the first time after causing thousands of infections in Africa.

California health officials have reported two cases of a potentially more severe form of mpox that appear to be locally ...

Investigators suspect that two Californians diagnosed with mpox may be the first U.S. cases resulting from the local spread ...

The Los Angeles County Department of Public Health is looking into a possible local spread of a more severe strain of the ...

Mpox transmission surged between July to September last year, but there have been far fewer cases recorded in 2025.

DNA from a new Bartonella bacterium has been detected in sand flies in the Brazilian Amazon, similar to the strains that ...