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Sexually transmitted infections summary

Sexually transmitted infections (STIs) are bacterial, viral or fungal infections that are spread by having sex - including vaginal, anal and oral sex. Examples include chlamydia, gonorrhoea and genital warts.

Sexually transmitted infections

What should I do if I think I've got an STI?
How soon do STI symptoms appear?
What infections can I catch through oral sex?
Genital Warts
Safer sex: How to prevent STIs
Sexual health FAQs
Gonorrhea
Pelvic inflammatory disease
Pubic lice (crabs)
Sex activities and risk
Sexually transmitted infections (STIs)
Can oral sex give you cancer?
STI symptoms that need checking
Syphilis

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