Multiple choice

Infectious diseases can be prevented by using _________.

  1. immunization

  2. medicines

  3. tonics

  4. pure water
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Immunization (vaccination) introduces weakened or killed pathogens to stimulate immune memory, preventing future infections. Medicines treat active diseases, tonics are general health supplements, and while pure water prevents some water-borne diseases, immunization is the specific medical prevention method listed.

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