New York City health officials have confirmed the first known case of mpox clade I in the city, marking the detection of a more severe strain of the virus.

The case was identified in an individual who had recently traveled internationally, according to an announcement from the New York City Health Department. The department did not provide additional details about the patient's condition or specific travel history.

Mpox clade I is considered more severe than other strains of the virus and has been associated with higher transmission rates and more serious health outcomes. The strain has been responsible for outbreaks in several African countries.

Health officials are likely monitoring the situation closely and conducting contact tracing to prevent potential spread within the community. The detection comes as global health authorities continue to track various mpox strains and their geographic distribution.