Answers

2014-04-09T11:57:15+05:30
Vaccination is an inoculation taking a vaccine as a precaution against contracting  a disease.It is useful because disease prevention is the key to maintaining public health. It is always better to prevent a disease than to treat it. Vaccine prevent disease in the people who recieve them and protect those who come into contact with unvaccinated individuals. Vaccines help prevent infectious diseases and save lives. Vaccines are responsible for the control of many infectious diseases.
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2014-04-09T12:07:41+05:30
Injecting antibodies in our body to fight dead or weak microbes is called vaccination.
It protects us from many diseases.
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