Mpox is still spreading in the US - here's what to know about vaccines, symptoms and treatment

Mpox continues to circulate at low levels in the United States, prompting health officials to maintain vaccination recommendations. The article outlines the history of the virus, its symptoms, and the effectiveness of the JYNNEOS vaccine.
Why it matters
Public health awareness regarding endemic diseases is critical for preventing further transmission and ensuring vulnerable populations seek appropriate medical care.
Mpox continues to circulate in many countries, including the United States. Here's what to know about the infection and the vaccines that protect against it.
By Nicoletta Lanese Edited by Tia Ghose , Laura Mondrag n Published 6 October 2026 In References When you purchase through links on our site, we may earn an affiliate commission. Here's how it works .
The mpox virus is related to the smallpox viruses and causes similar, but milder, symptoms. (Image credit: SERGII IAREMENKO/SCIENCE PHOTO LIBRARY via Getty Images) Copy link Facebook X Reddit Pinterest Flipboard Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Mpox is an infectious disease caused by a poxvirus, meaning a virus in the same family as smallpox. The infection was formerly known as monkeypox .
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