In the context of healthcare, the term ‘STD’ means a sexually transmitted disease. It is an illness that is usually passed from one person to another by sexual contact. STD is also known as sexually transmitted infection (STI) or venereal disease (VD). The disease is caused by bacteria, viruses or other parasites, and may be transmitted from one person to another through vaginal intercourse, oral sex, or anal sex. However, some types of STDs may also be transmitted through organ transplantation, blood transfusions, intravenous needles, or breastfeeding. New born/Unborn children may also be victims of STDs, where the disease is transmitted from an infected mother to her unborn child. Chlamydia, genital herpes, genital warts, gonorrhea, syphilis, hepatitis A, hepatitis B, hepatitis C, and HIV are some examples of STDs.