Final answer:
Bacterial and parasitic infections, their definitions, and treatments.
Explanation:
Bacterial Infection:
Bacterial infection occurs when harmful bacteria invade the body and multiply, causing illness. Examples include bacterial infections of the respiratory tract and reproductive system. Treatment typically involves antibiotics specific to the bacteria causing the infection.
Parasitic Infection:
Parasitic infection is caused by parasites such as protozoa. An example is giardiasis, which affects the gastrointestinal tract. Treatment may involve antiparasitic medications tailored to the parasite involved.
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