How Std Is Caused?
Sexually Transmitted Diseases (Stds) — or Sexually Transmitted Infections (Stis) — Are Generally Acquired by Sexual Contact. the Bacteria, Viruses or Parasites...
Sexually transmitted diseases (STDs) — or sexually transmitted infections (STIs) — are generally acquired by sexual contact. The bacteria, viruses or parasites that cause sexually transmitted diseases may pass from person to person in blood, semen, or vaginal and other bodily fluids.
How did STD start?
“Two or three of the major STIs [in humans] have come from animals. We know, for example, that gonorrhoea came from cattle to humans. Syphilis also came to humans from cattle or sheep many centuries ago, possibly sexually”.
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What are the main causes of STDs?
- Bacteria, including chlamydia, gonorrhea, and syphilis.
- Viruses, including HIV/AIDS, herpes simplex virus, human papillomavirus, hepatitis B virus, cytomegalovirus (CMV), and Zika.
- Parasites, such as trichomonas vaginalis, or insects such as crab lice or scabies mites.
James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.
