ISB 202 11-4-08 - I SB 202 STDs o Throughout the world 333...

ISB 202 11-4-08
• STDs
o Throughout the world – 333 million new cases of curable sexually
transmitted diseases (STDs) occur each year among adults
o The rates of STDs are 50-100 times higher in the US than in other
developed nations (1 in % by age 21)
o 15.3 million new cases of STDs are reported in the US each year (5% of
the total production)
o 3 million occur in persons aged 13 to 19 years. 63% are under 25 years old!
o Every sexual liaison is more than just fluid dynamics it’s also sharing of
microorganisms
o One “experienced” person, can infect another “naïve” person with many of
his/her micro-flora in ____
o Herpes Simplex- Virus- infects all vertebrates. Seven species infect
humans.
o Syphilis- enters body through tears in epidermis.
o Syphilis symptoms: canker sore, rash, vital organ damage- treatment:
antibiotics- complications: death, fetal transmission
o Gonorrhea- treatment: antibiotics- symptoms: women may have none,
men have painful urination.
o AIDS (Acquired Immune Deficiency Syndrome) – cause: human
immunodeficiency Virus (HIV)
o Nongonococcal urethritis- cause: mycoplasma, symptoms: painful
urination, mucus, discharge
o Chlamydia- second most common STD in US- the most common among
people your age- treatment: antibiotics

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