The disease that is not sexually transmitted is (b) Hepatitis.
Explanation: While some forms of hepatitis can be transmitted sexually, Hepatitis A is primarily spread through contaminated food and water, making it not a sexually transmitted disease.
Key points about sexually transmitted diseases (STDs):
Syphilis: A bacterial STD that can cause various symptoms, including skin rashes, sores, and neurological problems.
HIV-AIDS: HIV is the virus that causes AIDS, which is a severe immune system disorder.
Gonorrhea: A bacterial STD that can infect the genitals, throat, and eyes.