A 24-year-old man who has sex with men presents to the emergency department with symptoms of acute hepatitis and is confirmed to have hepatitis A virus (HAV) infection. He does not drink alcohol and has no previous history of liver disease. He has condomless anal and oral sex with his sex partners.
Which one of the following is most likely to result in sexual transmission of HAV among men who have sex with men when one of the partners has HAV infection?

Figure 1. Reported Cases of Acute Hepatitis A Virus Infection in United States, 2000-2022
Source: Centers for Disease Control and Prevention (CDC). Hepatitis A Surveillance 2022. April 2024.
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Question Last Updated
March 10th, 2025
March 10th, 2025
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