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How does a vaccine work?Plss tell fast....and no irrelevant answers.... |
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Answer» A vaccine is a BIOLOGICAL preparation that provides immunity against a particular disease. Vaccines can be used to PREVENT diseases such as typhoid, hepatitis, cholera, chicken pox, measles, and smallpox. Vaccines are of two types. They may contain dead or weakened MICROORGANISMS, what's on administration induce the body to produce SUBSTANCE is called antibodies. Antibodies destroy disease causing microbes and remain in the body to prevent further attack of the same microbe. For example, vaccines for measles and polio. Some vaccine suggest typhoid vaccine contain readymade antibodies instead of weakened pathogens. While the first type can give long term immunity, II type give short term immunity. Administration of vaccine can be oral or INJECTED and the process is called vaccination or immunization.# STAY SAFE ☺️✌️ |
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