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S exually T ransmitted I n f e c t i o n s. History. 1880’s -1980’s Also called venereal disease and STD’s. HOW??. Bacteria- many shapes, 40 mil in one gram of soil. Can multiply, can be killed with medicine. Viruses – can’t be killed with medicine Protozoans. STATS. Over 50 STI’s
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SexuallyTransmitted Infections
History • 1880’s -1980’s • Also called venereal disease and STD’s
HOW?? • Bacteria- many shapes, 40 mil in one gram of soil. Can multiply, can be killed with medicine. • Viruses – can’t be killed with medicine • Protozoans
STATS • Over 50 STI’s • Gonorrhea is at (as of 09) the lowest rate ever • Syphilis rates have not increased in US • 40% of babies born to mothers with Syphilis die • Young black women account for ½ the total screenings for Chlamydia.
MOST COMMON STI’S • Chlamydia • Gonorrhea • Genital warts • Herpes • Syphilis • Urinary and Vaginal infections • HIV/AIDS
Chlamydia(bacterial) http://www.youtube.com/watch?v=JkxLV4cquJE
SYPHILIS(bacterial) • 3 stages • 1. sores at exposure site. • 2. sores in mouth and flu symptoms, rash on hands and feet. • Symptoms disappear, but bacteria attacks internally. Can eventually cause brain damage, heart disease and lead to death.
Gonorrhea(bacterial) Symptoms- Males-pus, painful urination Symptoms- Females- more mild and pain during menstrual periods. IF untreated urethritis and infertility
Non-Gonococcal Urethritis (NGU) • Inflammation of urethra • Caused by Chlamydia, but may be other bacteria. • Treated by antibiotics
Smallest Living Things • 2 mill = ½ inch • Need a host cell to reproduce • Can mutate and change
ABC’s of…… • A –lives in intestines “HAV”- at risk when engaging in oral and anal activities. • B- most often transmitted by infected blood. MOST COMMON, multiple partners increases risk. • C- caused by several viruses. All blood borne. By transfusions and sexually. • Swollen liver, jaundice, weakness, fever.
Herpes • 500,000 new each year in America • Hides in nerve endings • Triggered to reappear during fevers, other infections
SYMPTOMS • Chronic, but not progressive or fatal • Ten days after exposure • Flu like symptoms
HPV • Human Papilloma Virus • Genital warts • 1 million new each year. • http://www.youtube.com/watch?v=HwxLHGqRpCM