Vaccination is a preventive measure for prevention of various diseases. There are various vaccines for various diseases which are recommended to give to a person starting from its birth at appropriate age. Some vaccines are given orally like pulse polio and some through injections like DPT, BCG etc. Various vaccination programme are held by Government of India to check the spread of diseases. Vaccines contain weakened germs of specific disease so that when it is injected in our body, our body produce antibodies against them thus protect us from infection of that particular disease in future. Some examples of vaccines are Salk’s vaccine for polio, BCG for tuberculosis, Varicella for chicken pox, DPT for diphtheria, tetanus, whooping cough etc.
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