TYPHOID VACCINES Meaning and
Definition
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Typhoid Vaccines refer to vaccines that are developed for the prevention of typhoid fever. Typhoid fever is a bacterial infection caused by the bacterium Salmonella Typhi. It is typically transmitted through contaminated food or water and can cause severe symptoms such as fever, abdominal pain, weakness, and diarrhea. In some cases, it can become life-threatening if left untreated.
Typhoid vaccines are designed to stimulate the immune system to produce a protective response against the Salmonella Typhi bacteria. They contain either a weakened (attenuated) or killed form of the bacteria, or components of the bacteria, which cannot cause the disease but are capable of triggering an immune response.
There are two main types of typhoid vaccines available: oral and injectable. The oral vaccine is a live, attenuated vaccine which is taken as a series of capsules or liquid. It stimulates the immune system to produce a response similar to a natural infection. The injectable vaccine, on the other hand, contains killed bacteria or bacterial components and is administered via an injection.
Both types of vaccines are effective in preventing typhoid fever and are commonly recommended for individuals traveling to areas where typhoid fever is endemic or during outbreaks. They can provide protection for several years, but booster doses may be required for ongoing protection.
It is important to note that typhoid vaccines are not 100% effective and do not provide immediate protection. Therefore, it is recommended to maintain good hygiene practices, such as washing hands thoroughly and consuming safe food and water, even after vaccination.
Common Misspellings for TYPHOID VACCINES
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- typgoid vaccines
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Etymology of TYPHOID VACCINES
The etymology of the word "Typhoid Vaccines" can be understood by breaking it down into its components.
1. Typhoid: The word "typhoid" originated from the Greek word "typhos", meaning "smoky or hazy", likely referring to the mental confusion and delirium that can accompany typhoid fever. Typhoid fever is a severe and potentially life-threatening illness caused by the bacterium Salmonella typhi, usually transmitted through contaminated food or water.
2. Vaccines: The word "vaccine" is derived from the Latin word "vaccinus", which means "of, or from, cows". This term was coined by Edward Jenner, an English physician, in the late 18th century. Jenner observed that milkmaids who contracted cowpox (a mild disease) seemed to be immune to smallpox (a deadly disease).
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