Adverse outcomes occurred in 94% of pregnancies during the first trimester.
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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Europe's cases have tripled over the last 2 weeks, and US cases approach 400, with New Hampshire and Puerto Rico reporting their first cases.
In US developments, the CDC reported dozens more cases and Texas reported community spread of the virus.
WHO director says he's worried monkeypox could spread to children and pregnant women.
Also, "Many individuals are presenting with atypical symptoms," the WHO says.
As cases top 4,000 worldwide, WHO consultants take a wait-and-see approach.
The number of genetic substitutions is 6 times higher than expected for an orthopoxvirus.
Also, global experts meet to consider if the threat constitutes a global public health emergency.
The US Centers for Disease Control and Prevention (CDC) yesterday reported 29 more monkeypox cases, raising the nation's total to 142.
So far 24 states and the District of Columbia have reported cases, up from 21 in the CDC's last update. The most affected states include California, New York, Illinois, and Florida.
The United Kingdom today expanded monkeypox vaccination to include men who have sex with men who are in high-risk groups, instead of just those who are known contacts and those at occupational risk.
In Europe, 99.4% of patients are male, and 98.4% are men who have sex with men.
