The CDC is monitoring an outbreak of a different strain of the mpox virus in the Democratic Republic of the Congo that causes more severe disease, called mpox Clade 1. The JYNNEOS vaccine is expected to be effective against Clade I.

We are closely monitoring the developments and will continue to update the community.

For more information, please visit CDC Website.

Visit SF.gov/mpox for more mpox information or visit us online at www.SFCityClinic.org or call 628-217-6600 to schedule an appointment for the mpox vaccination at San Francisco City Clinic.