Vocab 9-26

3. How a disease spreads from one person to another.
4. A microorganism, such as a virus, bacterium, fungus, or parasite, that causes disease.
7. Using two methods at once, such as condoms and birth control pills, for extra effectiveness.
9. When a man has trouble getting a partner pregnant.
11. Having no noticeable symptoms, even though an infection is present.
13. A disease that is not contagious and cannot be spread from person to person. These diseases are often caused by genetics, lifestyle choices, or environmental factors, such as heart disease, or cancer.
14. Requires approval from a healthcare provider before it can be purchased or used.
15. How effective a birth control method is when used by the average person, including human error.
16. Methods that use hormones to prevent pregnancy.
17. The effectiveness of a birth control method when used exactly as instructed.
18. A method of contraception using a device or preparation which prevents sperm from reaching the ovum.

1. Drugs used to control viral infections.
2. Medications used to treat bacterial infections.
5. The percentage showing how well a contraceptive prevents pregnancy.
6. An additional method of contraception (like spermicide or emergency contraception) used if the primary barrier method fails.
8. Methods or devices used to prevent pregnancy.
10. Available for purchase without a prescription.
12. A disease that can spread from one person, animal, or surface to another through direct or indirect contact, such as the flu, COVID-19, or STIs.