Health officials in Los Angeles County have confirmed the first local case of the more severe clade I mpox strain in an adult with no recent travel history to areas where the virus typically circulates.
The individual was hospitalized but is now recovering at home. This is the second clade I mpox case in the county and the second in the nation involving someone without known international travel.
County officials are working with the California Department of Public Health and the U.S. Centers for Disease Control and Prevention to investigate the infections, conduct contact tracing, and prevent further spread.
Mpox, previously known as monkeypox, has two main strains: clade I and clade II.
No additional information about the case was provided to protect the individual's identity.
Author's summary: LA County reports first local case of severe mpox strain.