What is Flu shot?

Influenza (flu) vaccines are nasal sprays or injections currently composed either of live flu viruses that have been attenuated (rendered much less able to cause infection) or killed viruses (unable to replicate) that, when administered to individuals, generate an immune response that will be strong enough to protect that individual from developing influenza disease. The design of the vaccine depends on how it is usually administered, the live attenuated vaccine is usually administered by a nasal spray, while the killed virus is usually administered by an intramuscular injection (shot), usually into the deltoid (arm) muscle.

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Also known as flu vaccine, influenza vaccine, influenza vaccination, vaccine - influenza, immunization - influenza
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Flu shot information from trusted sources:


Influenza is a viral infection that attacks your respiratory system, including your nose, throat, bronchial tubes and lungs.

Read more on www.mayoclinic.com


The flu is an infection caused by a virus in the upper breathing passages that may also spread to the lungs. Symptoms include fever, headache, general aches and pains, and extreme exhaustion. The flu is a contagious disease in which the influenza virus is spread through the air by the coughing and sneezing of people who are already infected. The virus is inhaled into the lungs where it attacks tissues involved in breathing. People with the flu usually feel sick rather suddenly, with symptoms that may include fever, headache, and feeling very tired. These symptoms are sometimes followed by coughing and a stuffy or runny nose.

Read more on www.pdrhealth.com


The flu is a highly contagious respiratory viral infection. Spread easily by coughing, sneezing, and poor hygiene. Vaccines have been only partially effective because of new and different viral strains that are constantly changing.

Read more on www.emedicinal.com

CDC - Seasonal Influenza (Flu) - Key Facts About Seasonal Flu Vaccine

Oct 25, 2010 ... The "flu shot" — an inactivated vaccine (containing killed virus) that is given with a needle, usually in the arm. The flu shot is approved ...

Read more on www.cdc.gov

Influenza vaccine - Wikipedia, the free encyclopedia

The Influenza vaccine, also known as a flu shot, is an annual vaccine to protect against the highly variable influenza virus. ...

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Influenza Vaccine (Flu Shot) Facts, Vaccination Side Effects and ...

Mar 8, 2011 ... Get the facts about influenza vaccine (flu shot) ingredients, side effects and vaccination effectiveness. Learn who should (children, ...

Read more on www.medicinenet.com

Learn About Flu Shot -- the Influenza Vaccine -- and Its Side Effects

Need to learn more about flu shots in order to prevent the misery of flu? Here is information about the influenza vaccine to help you see if the vaccine ...

Read more on www.webmd.com

Find a Flu Shot Near You | Flu.gov

Find a Flu Shot Near You. ... http://www.flu.gov/widgets/vaccinefinder.html ... Find Flu Information Near You. Click your state or use the drop-down box to ...

Read more on www.flu.gov

Find a Flu Shot - American Lung Association

The newly enhanced Flu Clinic Locator, powered by Google, now provides information on where to find both seasonal and H1N1 flu vaccinations.

Read more on www.lungusa.org

Is the Flu Vaccine a Good Idea for Your Family?

The flu itself generally isn't dangerous, but its complications can be. That's why it's important for you and your doctor to determine whether your family ...

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Influenza vaccine
This vaccine protects people against the flu.

Read more on www.nlm.nih.gov
Seasonal flu can give you any of these symptoms...

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Flu is a respiratory infection caused by a number of viruses. The viruses pass through the air and enter your body through your nose or mouth. Between 5% and 20% of people in the U.S. get the flu each year. The flu can be serious or even deadly for elderly people, newborn babies and people with certain chronic illnesses. Symptoms of the flu come on suddenly and are worse than those of the common cold. They may include

Read more on www.nlm.nih.gov
The flu
The flu is a contagious infection of the nose, throat, and lungs caused by the influenza virus.

Read more on www.nlm.nih.gov
Flu jab
For most people, seasonal flu is unpleasant but not serious and they recover within a week.

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Rapid flu test
To determine whether or not you have the influenza A or B, to help your doctor make rapid treatment decisions, and to help determine whether or not the flu has come to your community

Read more on www.labtestsonline.org
Flu, Swine
Influenza viruses are small RNA viruses that infect many mammals, including humans, birds, and swine. Before 2009, swine influenza predominately affected swine and was not transmitted often or easily to people. Even in the isolated instances in which swine influenza infected people, it had very limited ability to spread from person to person. Most cases were directly linked to contact with swine through farming or at fairs.

Influenza A
Influenza A (H1N1) 2009 Monovalent Vaccine is a sub-unit (purified surface antigen) influenza virus vaccine prepared from virus propagated in the allantoic cavity of embryonated hens eggs inoculated with a specific type of influenza virus suspension containing neomycin and polymyxin. The influenza virus strain is harvested and clarified by centrifugation and filtration prior to inactivation with betapropiolactone. The inactivated virus is concentrated and purified by zonal centrifugation. The surface antigens, hemagglutinin and neuraminidase, are obtained from the influenza virus particle by further centrifugation in the presence of nonylphenol ethoxylate, a process which removes most of the internal proteins. The nonylphenol ethoxylate is removed from the surface antigen preparation. Influenza A (H1N1) 2009 Monovalent Vaccine is an inactivated influenza virus vaccine indicated for active immunization of persons 4 years of age and older against influenza disease caused by pandemic (H1N1) 2009 virus (1). DOSAGE AND ADMINISTRATION Based on currently available information the vaccination regimen is as follows:...

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Treats runny nose, sneezing, stuffy nose, fever, sinus headaches, and mild aches caused by hay fever, colds, or flu.

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Meningitis - H. influenzae
Haemophilus influenzae meningitis is a bacterial infection of the membranes covering the brain and spinal cord (meninges). See also: Aseptic meningitis Meningitis Meningitis - cryptococcal Meningitis - gram-negative Meningitis - meningococcal Meningitis - pneumococcal Meningitis - staphylococcal Meningitis - tuberculous

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Avian flu
Avian influenza (or bird flu) is a highly infectious disease. It affects many species of birds, including chickens, ducks, turkeys and geese.

Read more on www.nhs.uk