STI means ‘sexually transmitted infection’ while ‘STD’ means ‘sexually transmitted disease’. STI is the initial symptoms of the disease while sexually transmitted disease is its advanced form. Sexually transmitted diseases (STDs) are caused by sexually transmitted infections (STIs). They spread mainly through sexual contact. STI Infection STIs are caused by bacteria, viruses, or parasites. Sexually transmitted infections can spread from one person to another through blood, semen, or vaginal and other bodily fluids. Nearly every sexually active person will have HPV at some point. It is the most common sexually…
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