Sexually Transmitted Diseases <ul><li>What are STDs? </li></ul><ul><li>Symptoms of STDs </li></ul><ul><li>Common sexually ...
<ul><li>(STIs) Sexually transmitted infections  are a major global cause of  *acute illness, </li></ul><ul><li>* infertili...
<ul><li>STIs are spread primarily through person-to-person sexual contact.  </li></ul><ul><li>>30 different sexually trans...
<ul><li>Symptoms  of STDs may be: </li></ul><ul><li>absent, </li></ul><ul><li>mild and transient, </li></ul><ul><li>acute ...
<ul><li>Many STIs can have severe long-term consequences.  </li></ul><ul><li>In adults,  chlamydia and gonorrhoea  may lea...
<ul><li>Some of the most common sexually transmitted pathogens can be divided into bacteria, viruses and parasites. </li><...
<ul><li>Common viruses: </li></ul><ul><li>HIV (causes AIDS) </li></ul><ul><li>Herpes simplex virus type 2 (causes genital ...
<ul><li>Parasites: </li></ul><ul><li>Trichomonas vaginalis (causes vaginal trichomoniasis) </li></ul><ul><li>Candida albic...
 
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  1. 1. Sexually Transmitted Diseases <ul><li>What are STDs? </li></ul><ul><li>Symptoms of STDs </li></ul><ul><li>Common sexually transmitted pathogens </li></ul>
  2. 2. <ul><li>(STIs) Sexually transmitted infections are a major global cause of *acute illness, </li></ul><ul><li>* infertility, </li></ul><ul><li>*long-term disability and </li></ul><ul><li>*death, with severe medical and psychological consequences for millions of men, women and infants. </li></ul>
  3. 3. <ul><li>STIs are spread primarily through person-to-person sexual contact. </li></ul><ul><li>>30 different sexually transmissible bacteria, viruses and parasites. </li></ul><ul><li>Several STIs, particularly HIV and syphilis, can be transmitted through blood products and tissue transfer, and from mother to child during pregnancy and childbirth. </li></ul>
  4. 4. <ul><li>Symptoms of STDs may be: </li></ul><ul><li>absent, </li></ul><ul><li>mild and transient, </li></ul><ul><li>acute (as with gonorrhoea, chancroid, herpes simplex virus). </li></ul>
  5. 5. <ul><li>Many STIs can have severe long-term consequences. </li></ul><ul><li>In adults, chlamydia and gonorrhoea may lead to complications such as infertility, chronic illness and potentially fatal ectopic pregnancy. </li></ul><ul><li>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. </li></ul><ul><li>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. </li></ul>
  6. 6. <ul><li>Some of the most common sexually transmitted pathogens can be divided into bacteria, viruses and parasites. </li></ul><ul><li>Common bacteria: </li></ul><ul><li>* Neisseria gonorrhoeae (causes gonorrhoea or gonococcal infection) </li></ul><ul><li>* Chlamydia trachomatis (causes chlamydial infections) </li></ul><ul><li>* Treponema pallidum (causes syphilis) </li></ul><ul><li>* Haemophilus ducreyi (causes chancroid) </li></ul><ul><li>* Klebsiella granulomatis (previously known as Calymmatobacterium granulomatis, causes granuloma inguinale or donovanosis) </li></ul>
  7. 7. <ul><li>Common viruses: </li></ul><ul><li>HIV (causes AIDS) </li></ul><ul><li>Herpes simplex virus type 2 (causes genital herpes) </li></ul><ul><li>Human papillomaavirus (causes genital warts and certain subtypes lead to cervical cancer in women) </li></ul><ul><li>Hepatitis B virus (causes hepatitis and chronic cases may lead to cancer of the liver) </li></ul><ul><li>Cytomegalovirus (causes inflammation in a number of organs including the brain, eye and bowel) </li></ul>
  8. 8. <ul><li>Parasites: </li></ul><ul><li>Trichomonas vaginalis (causes vaginal trichomoniasis) </li></ul><ul><li>Candida albicans (causes vulvovaginitis in women and inflammation of the glans penis and foreskin in men) </li></ul>

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