A 24-year-old office worker was shocked to experience painful urination after a company year-end party, having believed that oral sex would not transmit diseases.

Mr. Chen, 41, experienced painful urination after an unsafe sexual encounter with a massage therapist during a year-end party, and tests confirmed a gonorrhea infection.

A 32-year-old man experienced prolonged painful urination due to unsafe sexual contact with a female colleague after a year-end party.