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Suate True or False for the following sentences1. The immune system makes proteins called antigens which react with the invading germs todestroy them and give protection to body against diseases. 2 Vaccine is introduced into the body by injection or orally. 3. All medicines are drugs as they cure us against infections. 4. Booster doses are given only once.5. Vaccination and immunization are one and the same thing. |
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