Differentiate between the following: a) Signs and Symptoms (Biology-Why do we fall ill?-Class 9) b) Vaccination and Immunization (Biology-Why do we fall ill?-Class 9) [{( I'll make sure to mark the best answer Brainliest! )}]
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a) signs can be seen by other people
symptoms can only be felt by patients
b) vaccination is done for prevention of diseases
immunization is done for strengthening the immune system regardless of any diseases
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