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Immunization Program

    

Contact Information
Los Angeles County
Department of Public Health
Immunization Program
3530 Wilshire Blvd. Suite 700
Los Angeles, CA 90010
Phone: (213) 351-7800
Fax: (213) 351-2780
Email: ip@ph.lacounty.gov

Perinatal Hepatitis B Prevention Unit
Phone: (213) 351-7400
Fax: (213) 351-2781
Email: ip@ph.lacounty.gov

Hepatitis A is liver disease caused by the hepatitis A virus (HAV). The virus is a spread by mouth when a person ingests fecal matter—even in microscopic amounts—from contact with objects, food, or drinks contaminated by feces or stool from an infected person. Hepatitis A also can be spread through contaminated food or water. Symptoms can include an abrupt onset of fever, malaise, anorexia, nausea, abdominal discomfort, dark urine and jaundice. Clinical illness usually does not last longer than 2 months, although 10%-15% of persons have prolonged or relapsing signs and symptoms for up to 6 months. The incidence of symptomatic illness from HAV infection is directly related to age. In children younger than 6 years, about 70% of infections are asymptomatic. In older children and adults, infection is usually symptomatic, with jaundice occurring in more than 70% of patients. Hepatitis A can be prevented through vaccination with hepatitis A vaccine. The Advisory Committee on Immunization Practices (ACIP) recommends that all children, some international travelers, and people with certain risk factors and medical conditions be vaccinated. Two doses of hepatitis A vaccine are recommended and should be given at least 6 months apart. 
Information and Resources for Families Information and Resources for Providers
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Report cases to the Los Angeles County Department of Public Health.

Business Hours: 
Phone: (888) 397-3993 Fax: (888) 397-3778 

After Business Hours 
Phone: (213) 974-1234

About Us
Mission Statement: To improve immunization coverage levels & prevent vaccine-preventable diseases.

Vision: Healthy children and adults, free of vaccine-preventable diseases.

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