susbtance that is injected into the body to protect against a specific disease
Asked by sunitasingh | 9th Dec, 2009, 05:46: PM
Antibiotics are chemicals obtained from microbes to stop the growth of specific microbes and recover from an infection.
Vaccines help to protect us from getting infected from certain diseases.
Answered by | 10th Dec, 2009, 08:59: AM
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