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Data & Surveillance

Alameda County Probable and Confirmed Cases (Updated Periodically)

Number of Probable and Confirmed MPX Cases in Alameda County*

Case Characteristic (as of January 3, 2023)
Age Group
Count (%) †
<18 Years < 10
18-30 Years 71 (29%)
31-40 Years 86 (35%)
41-50 Years 60 (24%)
51-60 Years 24 (9.7%)
61-70 Years < 10
>70 Years < 10
Race/Ethnicity
Count (%) †
American Indian or Alaska Native < 10
Asian 19 (8.5%)
Black or African American 55 (25%)
Hispanic or Latino 89 (40%)
Native Hawaiian or other Pacific Islander < 10
White 49 (22%)
Multiracial/Other 12 (5.4%)
Unknown 24
Gender Identity
Count (%) †
Female < 10
Male 232 (94%)
Trans male, trans female, gender non-conforming, or another gender identity < 10
Unknown/Not Given 1
Sexual Orientation
Count (%) †
Bisexual 32 (16%)
Gay, lesbian, or same-gender loving 135 (67%)
Heterosexual or straight 21 (10%)
Questioning or Unsure < 10
Orientation not listed < 10
Declined to answer < 10
Unknown/Not Given 45
Location
Count (%) †
Central County/Eden 52 (21%)
East County/Tri-Valley < 10
North County, excluding Oakland and Berkeley 19 (7.8%)
Oakland 149 (61%)
South County/Tri-City 17 (7.0%)
Unknown 5

* Case Numbers as of 01/03/23. Numbers updated periodically and subject to change.

Percentages exclude cases where information is unknown; denominator of percentages = known cases.

MPX Case Epidemiological Curve