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Acute Communicable Disease Control

Acute Communicable
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County of Los Angeles
Department of Public Health
Acute Communicable Disease Control
313 N. Figueroa Street, #212
Los Angeles, CA 90012
Phone: (213) 240-7941
Fax: (213) 482-4856
Email:acdc2@ph.lacounty.gov

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Acute Communicable Disease Control

(Back to Hepatitis A Main Page)
Hepatitis A Outbreak
In September 2017, LA County declared a hepatitis A outbreak affecting homeless people and illicit drug users. In addition, there has been an increase in hepatitis A cases among men who have sex with men (MSM).
Outbreak Summary: 2017 Special Report

Hepatitis A is secreted into feces and transmitted by the fecal-oral route such as ingesting food or water contaminated with the feces of an infected person, touching a contaminated surface or objects, or having sexual contact with an infected partner.
Hepatitis A is best prevented through good hand and environmental hygiene and by vaccination. MSM are routinely recommended to receive the hepatitis A vaccine. In the context of the current outbreak, LA County has further expanded its HAV vaccine recommendations to include persons who are homeless and/or who use illicit drugs and to persons who have frequent close contact with the homeless or drug-using populations. This includes those who handle or serve food or who provide personal care, janitorial, maintenance, or sanitation services to these populations.
LAC DPH Health Update: Need for Continued Vigilance for Hepatitis A infection and Vaccination for High Risk Groups (3-15-18)
CDC Health Advisory: Outbreak of Hepatitis A Virus (HAV) Infections Among Persons Who Use Drugs and Persons Experiencing Homelessness (6-11-18)

LAC DPH Health Advisory: New Cases of Hepatitis A Among Persons Experiencing Homelessness and/or Using Illicit Drugs (11-30-18)

Suspect cases of HAV in a person who is homeless should be reported immediately by phone, while the patient is still at the clinical facility, in order to facilitate an on-site interview by a public health investigator and prophylaxis of contacts: phone 888-397-3993. After hours call: 213-974-1234.

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Additional Resources

Hepatitis A Vaccine Recommendations

Twinrix®: Hepatitis A and Hepatitis B (Recombinant) Combination Vaccine Factsheet (April 2012)

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