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| | Sexually transmitted disease - Wikipedia, the free encyclopedia |
 | | Sexually transmitted diseases (STDs) – also known as sexually transmissible diseases, sexually transmitted infections (STIs) and, infrequently, as venereal diseases (VD) – are diseases or infections that have a significant probability of transmission between humans by means of sexual contact—vaginal intercourse, oral sex, and/or anal sex. |
 | | However, sexually transmitted diseases are potentially transmitted in any form of sexual relationship, so it is important that all members of the community that are engaged in sexual relationships use safer-sex precautions, regardless of the nature of their relationships. |
 | | Recent epidemiological studies have investigated the networks that are defined by sexual relationships between individuals, and discovered that the properties of sexual networks are crucial to the spread of sexually transmitted diseases. |
| en.wikipedia.org /wiki/Sexually_transmitted_diseases (1552 words) |
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