CALIFORNIA DEPARTMENT OF PUBLIC HEALTH
MPOX is a rare disease that is caused by infection with the monkeypox virus. MPOX virus belongs to the Orthopoxvirus genus which includes the variola (smallpox) virus as well as the vaccinia virus, which is used in the smallpox vaccine.
MPOX is of public health concern because the illness is similar to smallpox and can be spread from infected humans, animals, and materials contaminated with the virus. Mpox is less transmissible and usually less severe than smallpox.
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