Pros And Cons Of Vaccines

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A vaccine is a substance used to stimulate the production of antibodies and provide immunity against one or several diseases. Many people believe vaccines has changed the world for the better. With the help of vaccines, illnesses have slowly decreased over the years. Vaccines have been regarded as the saviors of childhood, preventing illnesses such as polio and meningitis. The advances in technology and medicine has helped save lives. Compared to the past, medicine has came a long way and has helped many.
Edward Jenner came up with the word vaccination from the Latin word vaccinus (LaPensee 3). The smallpox virus caused headache and fever and a rash of pustles over the body, which gave it its name. The first human vaccines against viruses …show more content…
The length of this process means that if there is an immediate need, new vaccines cannot always be developed quickly enough to meet demand (LaPensee 4). Apart from the traditional idea of getting shots, there are other delivery methods available and in development. Influenza vaccines can be delivered by nasal spray, whereas another innovative system uses a “patch” of micro-needles to administer a vaccine without the need for a syringe. There are often specific notation systems used to describe vaccines. For example, there are several variation in the vaccine used against diphtheria, tetanus, and pertussis (DTP). Upper-case letters in abbreviations are used to describe vaccines with full-strength doses while the use of lowercase letters indicates a reduced dose used for adolescents and adults. Dengue is a flavivirus disease carried by mosquitoes. The World Health Organization estimates this disease threatens 2.5 billion people worldwide, a number representing two fifths of the whole world’s population. The disease is endemic in more than 100 tropical and subtropical countries, and it is spreading due to increased travel, failing or cessation of mosquito control, and a growth of urbanization. Dengue fever presents initially with a high fever and headache,followed by joint and muscular pain, as well as nausea and rash. Complications include hemorrhagic fever (DHF) and dengue shock syndrome (DSS), which can be lethal (LaPensee
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