Increasing MPX Cases in San Francisco (May Editorial)

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Increasing MPX Cases in San Francisco

May EditorialIn early June, the first case of MPX was identified in San Francisco, and as of June 22, 2022, a total of ten cases have been identified among SF residents. The current MPX outbreak is predominantly occurring among men who have sex with men (MSM) and trans people who have sex with men. This is believed to be related to transmission via close and/or intimate contacts within sexual and social networks. MPX symptoms can mimic symptoms of common STIs including syphilis and herpes.

In response to increasing cases of MPX, the SFDPH released a health advisory that provides guidance for SF providers including:

You can continue to find updated MPX guidance for SF providers at

The San Francisco Monthly STI Report ( for May is now available for viewing here

For the full monthly report this editorial appeared in, please visit Department of Public Health - Research, Health Assessments & Data ( webpage and scroll down to San Francisco Monthly STI Reports.