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Hepatitis A Information

Individuals with any of the following risk factors should be offered hepatitis A vaccination:

  • History of incarceration
  • Homeless
  • Substance use
  • Chronic liver disease, including infection with hepatitis B or C
  • Men who have sex with men
  • Persons traveling to countries that have high or intermediate levels of HAV transmission​ 
  • Children, at age 1 year
  • Family and caregivers of adoptees from countries where Hepatitis A is common
  • People with clotting-factor disorders​
Health care providers should review the guidance about hepatitis A, vaccination for people who may be at risk, and post-exposure prophylaxis.



Reporting Hepatitis A

If you suspect, or have confirmed that a patient has hepatitis A infection, you are required to report the case to the Santa Clara County Public Health Department within one working day (California Code of Regulations, Title 17, Section 2500). Please fax the completed Confidential Morbidity Report Form to (408) 885-4249 or (408) 885-3709. You can reach the Communicable Diseases Prevention & Control Program by phone at (408) 885-4214. 

More about Hepatitis A

Patient Fact Sheet on Hepatitis A: English - Spanish​​ 


Last updated: 6/20/2018 11:35 AM