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Std's
 

Std's

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    Std's Std's Presentation Transcript

    • Sexually Transmitted Diseases
      • What are STDs?
      • Symptoms of STDs
      • Common sexually transmitted pathogens
      • (STIs) Sexually transmitted infections are a major global cause of *acute illness,
      • * infertility,
      • *long-term disability and
      • *death, with severe medical and psychological consequences for millions of men, women and infants.
      • STIs are spread primarily through person-to-person sexual contact.
      • >30 different sexually transmissible bacteria, viruses and parasites.
      • Several STIs, particularly HIV and syphilis, can be transmitted through blood products and tissue transfer, and from mother to child during pregnancy and childbirth.
      • Symptoms of STDs may be:
      • absent,
      • mild and transient,
      • acute (as with gonorrhoea, chancroid, herpes simplex virus).
      • Many STIs can have severe long-term consequences.
      • In adults, chlamydia and gonorrhoea may lead to complications such as infertility, chronic illness and potentially fatal ectopic pregnancy.
      • Chlamydia, gonorrhoea and syphilis can produce serious and often life-threatening conditions in fetuses and newborn babies, such as congenital syphilis, pneumonia and low birth weight.
      • Infection with human papillomavirus is a proven precondition for the development of carcinoma of the cervix, which is the second leading cause of female cancer mortality worldwide.
      • Some of the most common sexually transmitted pathogens can be divided into bacteria, viruses and parasites.
      • Common bacteria:
      • * Neisseria gonorrhoeae (causes gonorrhoea or gonococcal infection)
      • * Chlamydia trachomatis (causes chlamydial infections)
      • * Treponema pallidum (causes syphilis)
      • * Haemophilus ducreyi (causes chancroid)
      • * Klebsiella granulomatis (previously known as Calymmatobacterium granulomatis, causes granuloma inguinale or donovanosis)
      • Common viruses:
      • HIV (causes AIDS)
      • Herpes simplex virus type 2 (causes genital herpes)
      • Human papillomaavirus (causes genital warts and certain subtypes lead to cervical cancer in women)
      • Hepatitis B virus (causes hepatitis and chronic cases may lead to cancer of the liver)
      • Cytomegalovirus (causes inflammation in a number of organs including the brain, eye and bowel)
      • Parasites:
      • Trichomonas vaginalis (causes vaginal trichomoniasis)
      • Candida albicans (causes vulvovaginitis in women and inflammation of the glans penis and foreskin in men)
    •