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Flu vaccines are given annually because the flu viruses are able to mutate rapidly into new forms that last year's flu vaccine may not be able to combat. So the schedule would be annually about a month prior to the start of the local flu season.
Flu season is in the time of the US fall and winter in the Northern Hemisphere and in the time of the US spring and summer in the Southern Hemisphere.
A one time vaccination is all that is needed for the Swine Flu (this vaccine is contained in the 2011-2012 annual seasonal flu vaccine, a separate immunization is not required for swine flu any more) in adults who are healthy.
Children under 10 will need two vaccinations to be fully protected since their immune systems are not robust enough to provide immunity after a single dose of vaccine. These two vaccinations are given a month apart and after another 3 to 4 weeks from the second immunization, immunity should have been achieved.
Infants under 6 months can not be vaccinated at all for the flu since their immune systems are too immature to introduce any infectious organisms.
People with suppressed immune systems from diseases or from medicines like transplant anti-rejection medications may not have a proper response to vaccines at all and they should not use live vaccines like are in the flu intranasal vaccines, they should have the injections of the vaccines made with "dead" viruses.
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Why do people have Swine Flu?
Because it is a brand new type of flu to which people had no prior exposure or protection from through natural immunization. It also is a very easily and rapidly transmitted virus between people. See below for information on what caused the H1N1/09 swine flu.
Is the Swine Flu in Oregon Salem yet?
is the swine flu in Oregon yet is the swine flu in Oregon yet is the swine flu in Oregon yet is the swine flu in Oregon yet
Are the flu and Swine Flu the same?
No, Swine Flu is just one strain of the many flu viruses. Flu is an abbreviation for influenza. So Swine Flu is a type of flu, but all flu is not the swine flu, there are other kinds.
What are the different types of bird flu?
Swine Flu
What color is the Swine Flu?
The swine flu is PURPLE. :]
Who first had Swine Flu?
It was a swine that got swine flu first.See the related question below for information about the first person with swine flu.
Is the Swine Flu the same as the tami flu?
Swine flu is a flu very similar to the regular flu. Tamiflu is a medicine that you take when you have swine flu or other types of influenza.
If you are caring for your child that has swine flu do you have swine flu?
Just because your child has the swine flu, doesn't mean you do. Your child could get the swine flu even if you don't have it currently.
How do you write an essay about swine flu?
essay on swine flu?
Can smoking attract Swine Flu?
Smoking can attract swine flu only if you are sharing a cigarette with someone who has swine flu.
Does anyone in NSW have the swine flu?
At the moment, 60-80% of flu's are swine flu.
How long does immunization against Swine Flu last I was inoculated last year does it cover this year also?
Immunization from a vaccination or from having had that exact type of flu will give you lifetime immunity. However, because viruses tend to mutate into other kinds of flu, your body may not recognize the germs as the same and then you would need protection from the new mutated virus, too. The 2010-2011 seasonal flu vaccination in the US contains the H1N1/09 vaccine along with vaccine for two other kinds of flu. If you had the swine flu vaccine last season, then it will not hurt you to take the vaccine again when you get the seasonal flu vaccination and it might help.
