Hepatitis A Outbreak

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On Jan. 23, 2018, the County ended the local health emergency, declared on September 1, 2017, in response to the local hepatitis A outbreak. The action does not mean the outbreak is over, and the County will continue efforts it has taken to control the spread of the disease.

Anyone who received their first hepatitis vaccination before mid-September, 2017, should get a second dose now to complete the series and assure long-term protection. Although the first dose of the vaccine is considered to be around 95 percent effective, that protection will eventually begin to decrease and a second shot boosts immunity for between 20 and 40 years, according to the Center for Disease Control and Prevention.

The outbreak is being spread person-to-person and through contact with fecally contaminated environments. The majority of people who have contracted hepatitis A during this outbreak have been homeless and/or illicit drug users.

San Diego County Hepatitis A Outbreak Cases and Deaths:
Data reported through October 3, 2018 and posted on October 9, 2018*
*Please note that table below will be updated every other Tuesday. Table does not include all reported hepatitis A cases in the county; only those that are local-outbreak-related. Also, data are provisional and subject to change.

Cases Hospitalizations Deaths
592 407 (68%) 20 (3.4%)

Please note that cases are listed in the jurisdictions (counties) where they live. The table and map below will be updated once per month until further notice. Also, table and map below do not include all reported hepatitis A cases in the county; only those that are local-outbreak-related. Data are provisional and subject to change.

Table Hep A Outbreak Cases by Zip Code

Vaccination Efforts

Vaccination efforts are underway targeting at-risk groups by County public health and our community health care partners. Because of the outbreak, the hepatitis A vaccine has now been recommended for people who are homeless, illicit drug users, staff at homeless service providers and substance use treatment agencies, public safety and emergency workers, health care workers and sanitation workers.

San Diego County Hepatitis A Vaccinations as of October 3, 2018*
*Please note that table below will be updated once per month until further notice. Also, table does not include all reported hepatitis A cases in the county; only those that are local-outbreak-related. Data are provisional and subject to change.

Vaccinations: 203,858

Please note that map below will be updated once per month until further notice. Also, map below do not include all reported hepatitis A cases in the county; only those that are local-outbreak-related. Data are provisional and subject to change.

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Hygiene Kits

As part of its hepatitis A infection prevention efforts, the County of San Diego Health and Human Services Agency has hygiene kits available to help promote handwashing (pictured right). These kits contain hand sanitizer (as available), cleansing wipes, bottled water, an informational flyer, and a waste bag. The kits are being provided to community partners that serve homeless persons and illicit drug users who are at risk for hepatitis A infection and who have limited access to handwashing facilities. When distributing kits to clients, community partners are encouraged to also recommend the hepatitis A vaccination.

San Diego County Hepatitis A Hygiene Kits of October 3, 2018*

*Table and maps will be updated once per month beginning in March until further notice.

Hygiene kits were available throughout the local emergency to support sanitation efforts and help promote handwashing. The kits, which contained hand sanitizer (as available), cleansing wipes, bottled water, an informational flyer, and a waste bag, were provided to community partners that serve homeless persons and illicit drug users who are at risk for hepatitis A infection and who have limited access to handwashing facilities. Hygiene kits were used in conjunction with strong recommendations to receive hepatitis A vaccination.  A limited supply of hygiene kits may be made available to community partners serving homeless persons upon request.

Kits Distributed: 11,993

County News Center Stories

More Hepatitis A Information