Engaging in unprotected anal intercourse can increase the likelihood of HIV transmission, especially if the viral load of the HIV-positive partner is high. Symptoms of HIV may not appear immediately; they can include fever, fatigue, and swollen lymph nodes. It’s crucial to undergo testing if you have had such an experience. Utilizing preventive measures, such as pre-exposure prophylaxis (PrEP) and consistent condom use, are effective ways to reduce transmission risk. I recommend consulting a sexologist to discuss your concerns and explore testing and preventive options.