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A Vaccine is covered with a specific part of a germ, known as an antigen, which is disabled ahead of its usage so as to prepare the vaccine.
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What is Vaccination? • Vaccinations can help protect your child from serious diseases caused by germs. Vaccinations are also called vaccines, immunizations, needles, or shots.
How does it Works? • Most vaccines contain a little bit of a disease germ that is weak or dead. Vaccines do NOT contain the type of germ that makes you sick. Some vaccines do not contain any germs. • Having this little bit of the germ inside your body makes your body's defence system build antibodies to fight off this kind of germ. Antibodies help trap and kill germs that could lead to disease.
Vaccine Derived Polio Oral polio vaccine (OPV) contains an attenuated (weakened) vaccine-virus, activating an immune response in the body. When a child is immunized with OPV, the weakened vaccine-virus replicates in the intestine for a limited period, thereby developing immunity by building up antibodies.
Different Types of Vaccines • Live, attenuated • Inactivated/Killed • Toxoid (inactivated toxin) • Subunit/conjugate
Uses of Vaccines : • Vaccination is the most effective way to prevent infection and severe outcomes caused by influenza viruses. • Vaccination is especially important for people at higher risk of serious influenza complications, and for people who live with or care for high risk individuals.