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What is the purpose of vaccines?


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2010-11-27 00:31:09
2010-11-27 00:31:09

Vaccines, medicines containing a preparation of weakened or dead microbes of the kind that cause a particular disease, are administered to stimulate the immune system to produce antibodies against that disease. They are used to force the body's white blood cells to develop a response to the specific pathogen and rid the body of the invading microorganisms.

Immunization can occur naturally when an untreated microbe in the environment is received by a person who has had no prior exposure to that microbe and, therefore, has no pre-made antibodies for defense.

The immune system of an otherwise healthy individual will eventually create antibodies for the microbe, but this is a slow process and, if the microbe is deadly, there may not be enough time for the antibodies to begin being used to inactivate the microbe before serious symptoms or even death can occur.

Artificial active immunization (vaccination) was created to boost the immune system's abilities to more quickly respond. In this process, the microbe is introduced into the person before they have been exposed to take it in naturally from the environment or directly from an infected person.

Microbes to be used in a vaccine are treated to weaken them (attenuated live vaccines) so that they will not cause disease in the person receiving the vaccination. Depending on the type of microorganism for which immunization is desired, vaccines can be used made from the attenuated pathogen, from entirely inactivated ("dead") microbes, from incomplete particles of the microbe, or treated toxins from the germ.

See the related questions below for more information about vaccinations.


Related Questions

To elicit a secondary response to an antigen.

Vaccines are for the purpose of disease prevention. Vaccination is the process of introducing harmless pathogens to the body for a response trigger without an actual infection. Vaccines are either composed of: *dead pathogens *weakened pathogens *protiens from the target pathogens

There are oral vaccines and injectable vaccines.

Live vaccines are vaccines which are prepared from living organisms. These vaccines are commonly ingested and not injected to fight viruses in the body. .

Vaccines made with "killed" viruses are called "Inactivated" vaccines.

Vaccines are good. Modern vaccines do NOT cause autism in children.

Edible vaccines are vaccines produced in plants genetically modified through bioengineering.

Vaccines don't actually treat either one. Vaccines are used to PREVENT disease. Most vaccines protect against viruses, but there are some for bacteria, as well.

Vaccines are good for us!!

Vaccines do not cause AIDS.

The most recent vaccines to come out, is the H1N1 aka SWINE FLU vaccines.

How much money are horse vaccines

You should have vaccines so you don't get sick

Flu vaccines are stored in the refrigerator.

Conventional vaccines consist of whole pathogenic organisms, which may either be killed or live vaccines; the virulence of pathogens is greatly reduced in attenuated vaccines. This is classified into 2 categories :a)Live or attenuated vaccines; (eg : BCG vaccine)b)Inactivated vaccines (eg : Salk polio & Pertussisvaccines)

cell culture vaccines are vaccines produced from cells that are cultured and grown under controlled conditions.

There is no ban on HPV vaccines. In fact, in some states girls are required to receive HPV vaccines for school.

Number of good vaccines are available for typhoid fever. Oral vaccines as well as injections are available.

There are vaccines to cancer. Vaccines are used during an early stage of cancer to get better results. However, it is still possible to treat existing cancer in a later stage with vaccines. Those kind of vaccines are called therapeutic cancer vaccines.

vaccines are useful to protect from diseases to human bodies

Viral infection can be prevented, but not cured, by vaccines.

Well, yes. Certain vaccines, of course.

Vaccines stimulate production of antibodies.

There are 3 Vaccines covered in Medicare Part B are as follows,Influenza vaccines are covered once/flu seasonPneumococcal vaccines are covered Once in lifetimeHepatitis B vaccines are covered At intermediate high risk

Vaccines control bacteria by inhibiting growth and reproduction. These vaccines will generate antibodies which will empower the immunity system in the body.

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