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Exercises: What they are and how they are transmitted

Practice★☆☆
Explain what a sexually transmitted infection (STI) is, mention two examples (for example, HIV and HPV), and describe two scientifically proven routes of transmission.

Explain what a sexually transmitted infection (STI) is, mention two examples (for example, HIV and HPV), and describe two scientifically proven routes of transmission.

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Practice★★☆
STIs are not transmitted through everyday contact. Indicate which of these situations do NOT transmit HIV and explain why: shaking hands, sharing cutlery, a hug, a…

STIs are not transmitted through everyday contact. Indicate which of these situations do NOT transmit HIV and explain why: shaking hands, sharing cutlery, a hug, a mosquito bite, using the same bathroom, using a condom correctly during sexual intercourse.

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Practice★★☆
Bacterial STIs (such as gonorrhea, chlamydia, or syphilis) can be cured with antibiotics if treated in time; viral STIs (such as HIV, HPV, or herpes) cannot be cured,…

Bacterial STIs (such as gonorrhea, chlamydia, or syphilis) can be cured with antibiotics if treated in time; viral STIs (such as HIV, HPV, or herpes) cannot be cured, but they can be controlled with treatment. Explain the difference between "curing" and "controlling" an infection, and why some STIs are called "silent".

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