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   does not have sores. Over the course of one year, the chance of getting   
   genital herpes from an infected partner who has no symptoms is between   
   four and 10 percent.   
   http://www.plannedparenthood.org/pp2/portal/files/portal/medical   
   nfo/sti/pub-sti-herpes.xml#1097893113267::1510388144222924704   
      
   So, if the risk of transmission if they have the virus with no symptoms   
   is 4%-10%, or 1 in 25 to 1 in 10 per year, then it's 1 in 2500 to 1 in   
   1000 per incident, if they have the virus, (assuming 100 sex acts per   
   year).  If you figure a 50% chance that someone has HSV, then those   
   numbers fall in half.  At best a 25% chance that they have it, so at   
   best the risk is 1%-2.5% or 1 in 100 to 1 in 40 per year, or 1 in   
   10,000 to 1 in 4,000 per incident.  Unless I can find another study   
   which says that the risk of Herpes transmission is less.  Since someone   
   did say it was 1 in 50, or 2%, but I have no backup for that.   
   http://www.goaskalice.columbia.edu/1071.html   
      
   There is a Herpes blood test, but it cannot be taken for at least 3-6   
   weeks after possible exposure, and it is possible that Herpes   
   anti-bodies might not show up in the blood for 12-16 weeks after   
   infection. (3-4 months).  For information on the various Herpes tests,   
   see http://www.ashastd.org/pdfs/blood_test.pdf and   
   http://www.biokitusa.com/hsv_procedure.htm   
      
   It is possible to get oral herpes (HSV-1) on the genitals, and genital   
   herpes (HSV-2) on the mouth.  Herpes usually just infects the skin   
   where contact occurs, and self infection can happen, to mucous   
   membranes.   
      
   ----------------------------   
   HPV (warts)   
   ----------------------------   
   Approximately 20 million people are currently infected with HPV. At   
   least 50 percent of sexually active men and women acquire genital HPV   
   infection at some point in their lives. By age 50, at least 80 percent   
   of women will have acquired genital HPV infection. About 6.2 million   
   Americans get a new genital HPV infection each year.   
      
   Question: How can 20 million people infected with HPV result in 80   
   percent of women and 50 percent of sexually active men and women being   
   infected at some point in their lives, when 45 million people infected   
   with Herpes does not result the same.   
      
   There are over one hundred varieties of HPV. About thirty of these   
   viruses are associated with genital warts but not all types of HPV   
   cause growths you can see.  Strains 6 and 11 are responsible for 90% of   
   the cases of genital warts.  Strains 16, and 18 are responsible for 70%   
   of the cases of cervical cancer.  See   
   http://www.forces-of-nature.net/warts/HPV_Strains.htm   
      
   There are about 10,520 new cases of invasive cervical cancer in the   
   United States per year, which result in about 3,900 deaths.   
   http://www.plannedparenthood.org/pp2/portal/medicalinfo/sti/fact-HPV-virus.xml   
   Pap tests can detect very early precancerous changes in the cervix.   
   Sexually active women should get a Pap test each year.   
   Pap smears have cut the incidence of cervical cancer by a whole bunch,   
   I'm not sure by how much but I think I heard like 50%.  You can look up   
   the exact figure on your own.   
      
   Your own immune system may eventually clear HPV from your body within   
   2-5 years   
      
   See http://news.bbc.co.uk/1/hi/health/2495029.stm there may soon be a   
   vaccine against HPV (Warts).   
      
   Question for guys: What percentage of Americans are infected with an   
   hpv strain that causes warts, and how many new cases of hpv warts are   
   there each year?  An answer to this question would allow us to asses   
   the ACTUAL risk of genital warts rather than just the risk of HPV in   
   general.   
      
   Question: Is the skin under removed warts still symptomatic - able to   
   transmit the virus??  It's possible.....   
      
   Question for girls: In addition to the above questions, what percentage   
   of Americans are infected with an hpv strain that causes cervical   
   cancer, and how many new cases of cervical cancer causing hpv are there   
   each year?  An answer to this question would allow us to asses the   
   actual risk of wart and cancer causing HPV rather than just the risk of   
   hpv in general.   
   ---------------------------------------------------------------------   
      
      
   Question for all diseases: How many Americans are infected, what is the   
   chance of transmission, and how many new cases   
   are there each year.   
      
      
   -------------------------------------------------------------------   
   HIV   
      
   According to http://www.ucsf.edu/daybreak/1997/08/826_aids.htm   
      
   The risk of HIV transmission through unprotected vaginal intercourse if   
   the other person is known to have HIV is 1 in 1000 per act of   
   intercourse (not per year).  Given that the average couple probably has   
   sex about 100 times per year, the risk  is about 100 in 1000 per year,   
   or 1 in 10.  That coincides with another study (below) which found 10%   
   of couples NOT using condoms got infected.  It is important to note   
   that this is if the other person IS KNOWN to have HIV, while in   
   practice it is very likely that the other person DOES NOT have HIV.   
   Also the risk of transmission from female to male, specifically may be   
   even lower like 1 in 8000 per act of intercourse:   
      
   Study quoted on: http://www.goaskalice.columbia.edu/2339.html   
   "1) In one of the answers, you say: "A study published in 1994 in The   
   New England Journal of Medicine looked at 256 heterosexual   
   HIV-discordant couples. Of the 124 couples that consistently used   
   condoms, NONE of the HIV-negative partners were infected. Among the 121   
   couples that DID NOT consistently use condoms, 12 (about 10 percent) of   
   the HIV-negative partners became infected. Additional studies found   
   similar results." How is it possible that only 12% of the unprotected   
   sexual activity between + and - people resulted in transmission?"   
      
   => But how much did the above couples have sex?  Did their sexual   
   practices differ from those of couples who are uninfected?   
      
      
   So, what is the risk of HIV?   
      
   From: http://www.whitehouse.gov/onap/facts.html:   
      
   New cases of HIV per year in the USA: 40,000   
   Male 28,000 (70%)   
   Female 12,000 (30%)   
      
   ~ Did many of these people use condoms?  How many cases of HIV per year   
   are attributable to people who consistently use condoms??  Any at all??   
      
   Number of car accident fatalities per year in the USA: 40,000   
      
   New cases   
   HETEROSEXUAL male 10% = 2,800   
   + "Other" Male 18% =     5,040   
   total =                              7,840   
   Non-black male 53% =  1,484(hetero) + 2,671(other) = 4,155 heterosexual   
   non-black male   
   Non-black/Non-Latino: 952(hetero) + 1,714(other) = 2,665 heterosexual   
   non-black/non-Latino (i.e.white)male   
      
   HETEROSEXUAL female 75% = 9,000   
   Non-black female 37% = 3,330 heterosexual non-black female   
   Non-black/Nonlatino 20% = 1,800 heterosexual non-black/non-Latino (i.e.   
   white)female   
      
   >From   
   http://www.rho.org/html/hiv_aids_special_focus-condoms.htm :   
   The most conclusive evidence of condom effectiveness in reducing   
   HIV/AIDS transmission has come from studies of serodiscordant couples,   
   in which one person is infected with HIV and one person is not. One   
   study in Italy followed 305 sexually active HIV-negative female   
   partners of HIV-positive men for approximately two years. Within the   
   study, a total of 3.9 infections occurred per 100 person-years, and the   
   incidence of HIV diminished by 84 percent in women who always used   
   condoms as opposed to those who used them occasionally or never. Less   
   than two percent of the 171 women who always used a condom became   
   infected. In a multi-country European study of serodiscordant couples,   
      
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