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Have you gotten your flu vaccine? It's not too late! It's National Influenza Vaccination Week.

 

Yo me vacuno – www.flu.gov

Last Updated: 12/10/13 09:32:45 AM

Influenza (Flu) Information
Have you gotten your flu vaccine? It's not too late! It's National Influenza Vaccination Week.
Key Facts about Influenza and the Influenza Vaccine
  

  
What is Influenza (Also Called Flu)?
The flu is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness, and at times can lead to death. The best way to prevent the flu is by getting a flu vaccination each year.
Every year in the United States, on average:
  • 5% to 20% of the population gets the flu;
  • more than 200,000 people are hospitalized from flu complications, and;
  • about 36,000 people die from flu

Some people, such as older people, young children, and people with certain health conditions (such as asthma, diabetes, or heart disease), are at high risk for serious flu complications.

Symptoms of Flu Include
  • fever (usually high)
  • headache
  • extreme tiredness
  • dry cough
  • sore throat
  • runny or stuffy nose
  • muscle aches
  • Stomach symptoms, such as nausea, vomiting, and diarrhea, also can occur but are more common in children than adults
Complications of Flu
Complications of flu can include bacterial pneumonia, ear infections, sinus infections, dehydration, and worsening of chronic medical conditions, such as congestive heart failure, asthma, or diabetes.
How Flu Spreads
Flu viruses spread mainly from person to person through coughing or sneezing of people with influenza. Sometimes people may become infected by touching something with flu viruses on it and then touching their mouth or nose. Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 days after becoming sick. That means that you may be able to pass on the flu to someone else before you know you are sick, as well as while you are sick.
Preventing the Flu: Get Vaccinated

The single best way to prevent the flu is to get a flu vaccination each year. The most common types of influenza vaccines available are:

  • The "flu shot" - an inactivated vaccine (containing killed virus) that is given with a needle. The flu shot is approved for use in people 6 months of age and older, including healthy people and people with chronic medical conditions.
  • The nasal-spray flu vaccine - a vaccine made with live, weakened flu viruses that do not cause the flu (sometimes called LAIV for "Live Attenuated Influenza Vaccine"). LAIV is approved for use in healthy people 2 - 49 years of age who are not pregnant.

About two weeks after vaccination, antibodies develop that protect against influenza virus infection. Flu vaccines will not protect against flu-like illnesses caused by non-influenza viruses.

When to Get Vaccinated
Yearly flu vaccination should begin in September or as soon as vaccine is available and continue throughout the influenza season, into December, January and beyond.  This is because the timing and duration of influenza seasons may vary.  While influenza outbreaks can happen as early as October, most of the time influenza activity peaks in January or later.
Who Should Get Vaccinated?
In general, anyone who wants to reduce their chances of getting the flu can get vaccinated. However, certain people should get vaccinated each year either because they are at high risk of having serious flu-related complications or because they live with or care for high risk persons. During flu seasons when vaccine supplies are limited or delayed, the Advisory Committee on Immunization Practices (ACIP) makes recommendations regarding priority groups for vaccination.

People at high risk of serious flu complications include:

  1. Children aged 6 months up to their 19th birthday
  2. Pregnant women
  3. People 50 years of age and older
  4. People of any age with certain chronic medical conditions
  5. People who live in nursing homes and other long term care facilities
  6. People who live with or care for those at high risk for complications from flu, including:
    1. Health care workers
    2. Household contacts of persons at high risk for complications from the flu
    3. Household contacts and out of home caregivers of children less than 6 months of age (these children are too young to be vaccinated)

Complications of flu can include bacterial pneumonia, ear infections, sinus infections, dehydration and worsening of chronic medical conditions, such as congestive heart failure, asthma or diabetes. It is now estimated that 200,000 people are hospitalized each year due to complications arising from the flu. Flu is a serious contagious disease that can lead to hospitalization and even death. It is estimated that 5- 20% of the population is infected by the influenza virus yearly. With this in mind, the importance of receiving the yearly influenza vaccine is apparent.
 

Use of the Nasal Spray Flu Vaccine
Vaccination with the nasal-spray flu vaccine is an option for healthy* people 2 - 49 years of age who are not pregnant, even healthy persons who live with or care for those in a high risk group. The one exception is healthy persons who care for persons with severely weakened immune systems who require a protected environment; these healthy persons should get the inactivated vaccine.
Who Should Not Be Vaccinated
Some people should not be vaccinated without first consulting a physician. They include:
  • People who have a severe allergy to chicken eggs.
  • People who have had a severe reaction to an influenza vaccination in the past.
  • People who developed Guillain-Barré syndrome (GBS) within 6 weeks of getting an influenza vaccine previously.
  • Children less than 6 months of age (influenza vaccine is not approved for use in this age group).
  • People who have a moderate or severe illness with a fever should wait to get vaccinated until their symptoms lessen.

If you have questions about whether you should get a flu vaccine, consult your health-care provider.

 
Good Health Habits for Preventing the Flu

The single best way to prevent seasonal flu is to get vaccinated each year, but good health habits like covering your cough and washing your hands often can help prevent respiratory illnesses like the flu.  There are also flu antiviral drugs that can be used to treat and prevent the flu.

  1. Avoid close contact.
    Avoid close contact with people who are sick. When you are sick, keep your distance from others to protect them from getting sick too.
  2. Stay home when you are sick.
    If possible, stay home from work, school, and errands when you are sick. You will help prevent others from catching your illness.
  3. Cover your mouth and nose.
    Cover your mouth and nose with a tissue when coughing or sneezing. It may prevent those around you from getting sick.
  4. Clean your hands.
    Washing your hands often will help protect you from germs.
  5. Avoid touching your eyes, nose or mouth.
    Germs are often spread when a person touches something that is contaminated with germs and then touches his or her eyes, nose, or mouth.
  6. Practice other good health habits
    Get plenty of sleep, be physically active, manage your stress, drink plenty of fluids, and eat nutritious food.

*”Healthy” indicates persons who do not have an underlying medical condition that predisposes them to influenza complications.

The information on this page was gathered from the Centers for Disease Control and Prevention (CDC) website.

 
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