In total, 6.4% of participants had mpox antibodies, including 4% of cis women, 7% of cis men with only cis women partners, and 9% of men who have sex with men.
The test the US Centers for Disease Control and Prevention uses to identify clade I mpox cases is 'most likely not reliable' for detection of the substrain identified in the study, the authors say.
Another mpox study today showed that dose-sparing vaccine administration of the Jynneos vaccine appeared to have worked.
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Early tecovirimat was associated with shorter time to symptom improvement (by 5.5 days) among participants with severe illness.
Wastewater tests had a sensitivity of 32% for detecting 1 or more people shedding mpox virus, but it was 77% for detecting 15 or more people shedding virus.
Countries reporting the most cases were Spain, Portugal, the UK, and Germany.
The most common adverse event was mild to moderate injection-site pain, which was reported by 60% of vaccinated participants
Mpox disease progression occurred in 5% of those who received Tpoxx early and in 27% of people who received it later or not at all.
Two of the animals died, for a case-fatality rate of 10%, while no animal caretakers were affected.
Cases also continue from China and Singapore in the Western Pacific region.
In US mpox news, some cities are starting to report an increase in cases.
Prior infection from a clade 2 infection, as well as vaccination, could decrease the impact on at-risk groups.
The current DRC outbreak has already claimed 581 lives.