WASHINGTON, D.C. — The U.S. Centers for Disease Control and Prevention (CDC) has reported the first confirmed case of clade I mpox in the United States, identified through laboratory testing by the California Department of Public Health. This case is linked to an ongoing outbreak in Central and Eastern Africa, yet the CDC assures that the risk to the general public remains low.
The case involves an individual who recently traveled from Eastern Africa, where they likely contracted the virus. Upon returning to the United States, the individual received medical treatment and has since been isolating at home, seeing an improvement in symptoms. As part of its standard protocol, the CDC is collaborating with state health officials to trace potential contacts and manage any risks.
Mpox, a virus with two main types known as clade I and clade II, has different epidemiological characteristics. While clade II, which has caused a global outbreak since 2022, has been prevalent in the U.S., clade I is a recent introduction, historically associated with more severe illness. However, recent data suggests that the current clade I outbreak has shown a lower severity in clinical symptoms. The fatality rate, once between 3% and 11% for clade I, has decreased to less than 1% with adequate medical care, particularly in countries with robust healthcare systems like the U.S.
CDC Director Mandy Cohen emphasizes the importance of vaccination as a preventive measure. Individuals are encouraged to avoid close contact with symptomatic individuals and contaminated materials, and to receive both recommended mpox vaccine doses if eligible.
The CDC continues to work extensively in Central and Eastern Africa to curtail the spread of mpox. Efforts include providing training, diagnostic supplies, and technical assistance, as well as enhancing surveillance in both human and animal populations. The agency also uses data from wastewater samples in the U.S. to monitor community spread and guide public health responses.
As the CDC refines its public health strategies, it remains vigilant in monitoring the situation and adjusting its guidance accordingly. This proactive stance includes issuing travel advisories and recommending expedited testing for potential cases linked to recent travel in affected regions. The CDC’s ongoing collaboration with local and state health departments aims to ensure that any outbreak remains contained, safeguarding public health and preventing further transmission.
In summary, while the confirmation of a clade I mpox case in the U.S. is significant, the CDC’s comprehensive approach to prevention, monitoring, and response underscores its commitment to managing the situation effectively and minimizing public risk.
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