Though the surge in Sierra Leone has received much of the attention, cases are also rising in two other countries in West Africa: Ghana and Liberia.
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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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.
Rates of COVID-19 hospitalization among adult Medicare beneficiaries with disabilities were almost 50% higher than rates among elderly beneficiaries with no disability, according to a study today in Morbidity and Mortality Weekly Report (MMWR).
