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What is a vaccine and how does it speed up the immune response?
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How is the heat in metabolism useful to a cell?
It can help speed up reactions, such as when your body heats up when you are sick in order to speed up its immune response. It can also help regulate temperature if the cell is in a colder environment.
What is the immune response to malaria?
tHROW UP
Can you still get Swine Flu after the vaccine?
Absolutely, the vaccine simply builds up your immune system - one can still become infected.
Do you need swine flu vaccine more than once?
It won't usually hurt to receive it more than once, but it won't be necessary to repeat it unless you are 6 months old up to 9 years old, and then you will need an initial vaccination followed by a booster (about a month later) since your immune system is not fully mature to give a good immune response from a single exposure to the vaccine at those younger ages.
What does a vaccine contain that allows the body to do this?
The theory behind the vaccine is that it is made up of weakened viruses but that form antibodies, which in turn build up the immune system that will fight the introduction of any pathogen the vaccine is intended to prevent.
How does a vaccine produce its effects?
Dead virus cells are injected causing the animal's body's immune system to build up immunity to that particular virus. When the animal comes across that same virus it already has immunity built up so the chance of 'getting' that same germ is greatly reduced. This is an over-simplified explanation but it will give you an idea of how it works.
What are examples of specific immunity?
antiserum
What does yellow fever vaccine contain?
Yellow fever is caused by a virus that is spread by the female mosquito. The vaccine for yellow fever has been used commercially since the 1950's and one dose provides life-long vaccination against yellow fever.
What happens when you are vaccinated?
When you are vaccinated, your body builds up an immune response to the vaccination. This protects you from the disease you were vaccinated for. There is some controversy about vaccination.
What does it mean when rubella screen comes up not immune?
This means the person has had rubella (German measles ) or a vaccination for rubella in the past and so is now immune. This test is often part of checks before pregnancy so that a vaccine can be given if it negative before a woman becomes pregnant. The vaccine is usually the MMR (which also immunises for mumps and measles). Single vaccine rubella is no longer licenced in the UK.
What came first penicillin or smallpox vaccine?
Edward Jenner came up with a smallpox vaccine in 1797, but it had been observed in 430 BC that those that had smallpox became immune to latter outbreaks and could nurse the sick. In 1939, Florey and Chain developed penicillian.
How are viruses attenuated?
Attenuated simply means "weakened". Vaccines made with attenuated pathogens, such as the flu virus in flu nasal mist vaccines in the US, work like any vaccine to trigger an immune response so that your body builds up antibodies to be immune to the virus (or whatever pathogen is intended to be prevented). Flu vaccines made for injection, for example, are made with inactive viruses that are either "dead" or are pieces of the virus that are incomplete so they can not cause disease but can trigger the proper immune response and antibody development. Other vaccines, like the flu nasal mist, use whole, "live" viruses in the vaccine preparation to get a better response and, in those vaccinations, the live viruses are weakened so that they can not make you ill but can cause the proper immunity to be developed.See the related questions below for more detailed information.
