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2006-12-09 17:07:35 · 7 answers · asked by Anonymous in Health Diseases & Conditions STDs

7 answers

Estimated per act risk for acquisition of HIV by exposure route Exposure Route Estimated infections per 10,000 exposures to an infected source
Blood Transfusion 9,000
Childbirth 2,500
Needle-sharing injection drug use 67
Receptive anal intercourse* 50
Percutaneous needle stick 30
Receptive penile-vaginal intercourse* 10
Insertive anal intercourse* 6.5
Insertive penile-vaginal intercourse* 5
Receptive oral intercourse* 1
Insertive oral intercourse* 0.5
* assuming no condom use
§ Source refers to oral intercourse performed on a man
In fact STI's are much easier to transmit than HIV.Studies among personnel on aircraft carriers and careful partner tracing studies have shown that the transmission probability per sex act for gonorrhoea is high—around 0.25 from women to men and 0.5 from men to women—and that the probability of transmission per sexual partnership saturates rapidly to near 1 as the number of sex acts allowing exposure increases.
Remember too that it depends on the type of STI. For a short lived, high transmission probability infection- STI's like Gonorrhoea- the number of sex partners is likely to be more important than the number of sex acts with each sex partner. Alternatively, in the case of a low transmission probability infection- HIV e.g, with a long duration, then a moderate number of sex partners, with many acts with each partner, is likely to maximise the number of infections generated by an infected individual.
Research has show that those already infected with Clamydia or other STI's are 2-5 times more likely to transmit HIV or get HIV.
The best available data are from the valacyclovir trial to study the prevention of sexually transmitted HSV-2. It showed something around 3-4% per year among HSV-2-discordant, placebo-treated couples having sex an average of 2-3 times per week. To my knowledge, the per-episode transmission risk has not been calculated or published, but it probably is around 1 in 1000. But as I said, there are all kinds of problems in translating the data from that trial to the general population.

2006-12-10 07:46:44 · answer #1 · answered by Anonymous · 0 0

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2016-04-29 19:26:16 · answer #2 · answered by ? 3 · 0 0

More info needed.

Are you concerned about any STD in particular? eg Hepatitis C is more infective than HIV as it has a higher viral load per ml of blood.

It also depends on your gender, females have a higher probability of contracting most STD's from an infected man than a man would have from an infected woman, as during sex a woman has more chance of tears and bleeding. Nevertheless males are still vulnerable, so if you're a man, this is no excuse not to be careful.

The sexual activity you engage in is also a factor, if you practise male to male sex, then the receiving male is at a greater risk, esp if receiving anally (?is it called receiving when it's oral). But again both parties are still at risk.

The more people you sleep with the greater your risk.

Intravenous drug use (either you or your partner) significantly ups the risk if you/they share needles.

Condoms are great, but they wont protect you from all infections (eg herpes can spread when skin/mucous membrane comes into contact with blisters of an infected person - and possibly when the infected person's blisters are not yet, but are about to be active - best to check that one out - I'm a little hazy on the details).

Pick your partner/s carefully and use condoms. That's the best way to decrease your risk. Prevention is better than cure (especially when their often is no cure)

P.S. Chelsie, Chlamydia is caused by Chlamydia trachomatis, trichomonas vaginalis causes Trichomoniasis. And STDs can be spread by ways other than sexual intercaurse eg, IV drugs, blood transfusions (though these are generally VERY well screened in developed countries post 1985, but in SOME developing countries it's pot luck). Contact with bodily fluids of an infected person to open wounds/cuts. Needlestick injuries. etc.

HIV, if you're fortunate enough to live in a country where treatment is available, is not the death sentence it once was. People with proper treatment can have normal life expectancies - but you still wouldn't want to get it if you can avoid it.

P.P.S. Just for interest's sake: STDs are now often referred to as STIs (sexually transmitted infections) I don't know reasoning for this - it may be to do with reducing stigma or it may be some semanitc thing to with the fact that it is the infection that is transmitted and the infection causes the disease (but I think it's the former)

2006-12-09 20:11:16 · answer #3 · answered by Jumping Mouse 1 · 1 0

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2015-09-24 09:16:52 · answer #4 · answered by Anonymous · 0 0

Sexually Transmitted Disease or STD is common here in the US especially the gonorrhea which was cause by the bacteria neisseria gonorrheae. Chances of Infection of STD is high when the person has multiple partners. STD can be transmitted thru unprotected sexual intercourse thru oral, anal, vaginal. There are common STDs like chlamydia cause by trichomonas vaginalis. gonorrhea caused by neiserria gonorrheae, syphilis caused by treponema pallidum and the most deadliest is the AIDS caused by human immunodeficiency virus or HIV. STD can be transmitted by sexual intercourse only, that is why it is called sexually transmitted disease. It is high to those people who have multiple sex partners or those people who are involved in a polygamous relationship. To prevent these from acquiring the STD always wear condoms. Remember Oral contraceptive pills cannot protect you guys from acquiring STD. Complications of STD are Pelvic Inflammatory Disease (PID), Genital warts that can lead to Cervical Cancer and Infertility if left untreated.

2006-12-09 17:47:25 · answer #5 · answered by chelsie is megan's mom 4 · 1 0

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2017-03-02 02:13:47 · answer #6 · answered by ? 3 · 0 0

what do you mean? if you practice unsafe sex then of course there is a chance of infection. always be safe, use condoms. there are about a dozen different sexual infections, and some kill.

2006-12-11 20:15:54 · answer #7 · answered by Anonymous · 0 0

http://www.infoforyourhealth.com/index.htm

Try here

2006-12-09 17:10:26 · answer #8 · answered by richard_beckham2001 7 · 0 0

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