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The Different Types of Vaccines

To stop the effects or spread of a disease through a vaccine a proper vaccine has to be in place for the specific disease that should have particular characteristics relating to the relevant disease. Good vaccines should not affect the way other cells behave but rather only fight the relevant microbes that cause an illness. Vaccines that happen to affect various cells or alter their functionality when the immune system is responding to microbe is termed to have negative effects thus it cannot carry its purpose effectively. For a support vaccine to be termed as suitable it should poses some level of compatibility with other medications that can be related to similar ailments and also at what part of the world is the medicine recommended for use are some of the issues that should be factored in when designing good vaccine support medication.

There are five main categories of vaccines which are: attenuated vaccine, toxic vaccine, conjugate vaccine, inactive vaccine and subunit vaccine which are discussed broadly below. Live, attenuated vaccine is a type of vaccine that is developed in the laboratory where the real microbe is weakened to a level that is not harmful to the body. To learn how a microbe functions in the body a similar environment is created in the lab for learning purposes where microbes are studied. The long run aim is to rate the amount of antibodies that the body can possibly release to fight the microbe and how to design a drug that can fight the disease with a few doses. A number of examples diseases are yellow fever, smallpox, measles, mumps, rubella, chickenpox and rotavirus.

Harmful chemicals are produced by bacteria that is toxic to the body cells. The bacteria toxin becomes the main cause of illness. Formaldehyde and sterilized water creates solution of formalin which can be used to treat inactive toxins. When the body is vaccinated it learns how to produce antibodies to fight toxic substances. Some of the toxic and common vaccines administered in the body are tetanus and diphtheria.

Thirdly, when designing a conjugate vaccine the scientists link toxoids or antigens from a microbe to the immune system to recognize it to the polysaccharides where this linkage helps immature immune system like that of an infant to react to polysaccharide coating and defend that body against diseases caused by bacterium. When there are sugar coating on a bacterium that ensures that bacterium antigens protect the immune system of newborn does not react to bacterium antibodies is known as polysaccharides.