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Besides health-care workers, flu protection is most critical for:
- pregnant women (injections only)
- children younger than 5
- adults age 50 and up (injections only)
- anyone with chronic medical problems
- home caregivers
Everyone 6 months and older should be immunized.
The American Academy of Pediatrics and the Advisory Committee on Immunization are two organizations that have made strong recommendations that everyone six months of age and older receive influenza vaccine. Vaccination of high risk persons is especially important to decrease their risk of severe flu illness. High risk people include children, seniors and people with certain health conditions. Children younger than six months of age are at high risk of serious flu illness, but are too young to be vaccinated. People who care for them should be vaccinated. Vaccination is important for healthcare workers, and other people who live with or care for high risk people to keep from spreading flu to those in the high risk category. This mist spray is not for pregnant women, but is fine for all other healthy people between two and 49 years of age.
People who are at the highest risk of developing complications from the flu are those who are elderly or who have certain chronic (long-term) medical conditions. Even if you don't fit that description, you may still want to get an annual influenza vaccine. The vaccine will be 70% to 80% effective in preventing the flu or reducing its severity. The influenza vaccine is given in the fall, so that antibodies (protective proteins of the immune system) can build up for the peak flu months of November through March.
The Centers for Disease Control and Prevention (CDC) recommends that everyone over the age of 6 months receive the flu vaccine. It is especially important that people at high risk of serious complications get the flu vaccine. This includes: pregnant women; kids younger than 5 years old; adults older than 50 years old anyone with chronic illness such as asthma, diabetes, or cancers; and health care workers. Teachers also would be wise to get vaccinated.
Everyone 6 months and older should get a flu vaccine each year. This recommendation has been in place since February 24, 2010 when CDC’s Advisory Committee on Immunization Practices (ACIP) voted for "universal" flu vaccination in the U.S. to expand protection against the flu to more people. While everyone should get a flu vaccine each flu season, it is especially important that certain people get vaccinated either because they are at high risk of having serious flu-related complications or because they live with or care for people at high risk for developing flu-related complications:
- Pregnant women
- Children younger than 5, but especially children younger than 2 years old
- People 50 years of age and older
- People of any age with certain chronic medical conditions
- People who live in nursing homes and other long-term care facilities
- People who live with or care for those at high risk for complications from flu, including health care workers, household contacts of persons at high risk for complications from the flu, and household contacts and out of home caregivers of children less than 6 months of age (these children are too young to be vaccinated)
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Vaccines, which are made with killed or inactivated virus or viral fragments of those strains, work by forcing the immune system to make antibodies that fight circulating strains of influenza. Because flu can be so serious and can spread so rapidly, the Centers for Disease Control and Prevention (CDC) recommends that everyone age six months and older get vaccinated every year. A yearly flu vaccine is the first and most important step in protecting against flu, according to the CDC.
Vaccines are especially important to those most susceptible to flu complications, including older people, children, pregnant women, people who are morbidly obese, people with compromised immune systems and those with chronic illnesses such as heart disease, kidney disease, asthma, chronic obstructive pulmonary disease (COPD) and diabetes. Certain groups also need to get vaccinated because they are at risk for serious flu-related complications or they live with or care for people at risk for developing these complications. These groups include:
- Pregnant women
- Children younger than age five, but especially children younger than two
- People age 65 or over
- Anyone with chronic medical conditions, especially asthma or chronic bronchitis and emphysema
- Anyone in a long-term care facility or nursing home
- Anyone who lives with or cares for those at high risk of complications from flu, including healthcare workers; household contacts and out-of-home caregivers of children younger than six months; and people within regular contact with those at risk for flu complications
The age requirement for flu vaccine varies. In Canada, many provinces and territories recommend universal influenza immunization. The Public Health Agency of Canada's website will have specific information about provincial requirements and the effectiveness of universal immunization.
Everyone six months of age or older should receive the flu vaccine each year. If you have a baby younger than six months of age, you can protect him from catching the flu by vaccinating everyone else in your house. Some children under age 9 need two doses of the flu vaccine at least 4 weeks apart, especially if this is the first year your child is receiving the flu vaccine.
Pregnant women are at a higher risk of having complications if they catch the flu so if you are pregnant, ask your OB for a flu shot right away. Breastfeeding women can get either the inactivated flu shot or the live-virus nasal spray vaccine. Nursing women will help protect their baby from catching the flu by breastfeeding and getting vaccinated.
In addition to the flu vaccine, remember to wash your hands, cover your cough and stay home if you are sick.
The following people should get the flu vaccine:
Anyone who wants to reduce the risk of getting the flu should consider getting the vaccine.
Children from the ages of six months to 18 years old should receive the vaccine. This age group has a high rate of complications and being admitted to the hospital from the flu.
Children 6 months old and older who have the following high-risk conditions should have the vaccine:
- Lung diseases or lung problems such as asthma or cystic fibrosis
- Heart disease
- Cancer or lowered immune systems from medication
- Sickle cell anemia or other blood diseases
- Diabetes, kidney problems, central nervous system disease, arthritis, or long-term aspirin use
Any household member or caregiver of children listed above in group 3.
Any household member or caregiver of children, newborn to 6 years old.
Those considered high-risk for the flu should be vaccinated at the start of every flu season. The Centers for Disease Control and Prevention (CDC) recommends all children ages 6 to 23 months get the flu shot. Very young children are more likely than older children and adults to be hospitalized and to die from the flu. Infants under 6 months are too young to take the vaccine safely, therefore all the people around them (child care workers and family) should be vaccinated.
Older adults (65 and up) should be vaccinated, as should anyone with chronic health conditions, including asthma and diabetes. The CDC also recommends pregnant women and health care workers receive the vaccination.
Do not give the flu shot to:
- Those who have had a severe reaction to the flu shot in the past
- Those who developed the rare nerve disease Guillain-Barré Syndrome, within six weeks of a previous flu shot
- Anyone who is running a fever
- Infants under 6 months of age
- Anyone allergic to chicken eggs (the flu vaccine is grown in eggs)
Many people complain of mild flu-like symptoms, including muscle aches, low-grade fever and tiredness, but severe side effects are rare. Side effects usually begin within a few hours of getting the shot. They usually last for about two days.
If you have children under age 9, who have never had flu shots, it becomes especially important to get an early start. They need two vaccinations about one month apart.
The earlier you get vaccinated the better. It takes about two weeks before the vaccine takes full protective effect.
The vaccine comes in two forms: a nasal spray or a shot. It works by triggering the body's immune system response. After the vaccination, your body will recognize the flu virus as a foreign invader and will produces antibodies to fight it. Then, the next time your body encounters the flu virus, it remembers the virus is a hostile invader and quickly launches an immune attack to kill it.
If your body does remember the virus, why is it important to get a flu shot every year? First, because strains of flu differ from year to year; second, immunity declines over time.
Anyone in the high risk group should be vaccinated. The American Academy of Pediatrics and the Center for Disease Control recommend that all children aged 6 months to 18 years of age be vaccinated as well as pregnant women and any care taker of children under the age of two. Health care workers, people over 50 years of age, patients with chronic diseases or immune compromise and those who are in long term care facilities or residential facilities. Patients with chronic lung problems like asthma and COPD are also high risk. It is necessary for these people to get a flu vaccine each fall to cover the strains of flu present that season. Children under the age of 9 years, need two vaccines the first year that they receive the flu vaccine. The two doses should be one month apart.
Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.