Responding to the surge is a major focus, partly to prevent the spread to other West African countries.
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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The CDC reports just 2 new measles cases, raising the national total this year to 264.
The most common changes made were reducing the number of sexual partners, avoiding group sex, and avoiding sex-on-premises venues.
The pledge came with at least $500 million in outbreak support, along with a plan to help bolster the domestic mpox vaccine supply.
Also, the CDC recommends that anyone anticipating sexual activity in the DR Congo and other affected countries receive 2 doses of mpox vaccine.
Vaccine-generated mpox antibodies largely waned after 6 to 12 months.
About 500 people in high risk groups in DRC-border regions have been immunized so far.
The agreement, using a new emergency funding mechanism, would secure 500,000 doses for delivery in 2024.
Also, the UK details its response plan that includes shoring up vaccine supplies, and US officials spell out the country's mpox research agenda.
Most of the roughly 7,100 patients were prescribed tecovirimat for the treatment of lesions in sensitive areas, such as the anogenital region, and for pain.
In other developments, health officials have reported in utero spread of the virus and the first case of the year in North Africa.
