is getting two flu shots dangerous?
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Can vaccinating someone twice provide added immunity? In adults, studies have not shown a benefit from getting more than one dose of vaccine during the same influenza season, even among elderly persons with weakened immune systems. Except for some children, only one dose of flu vaccine is recommended each season.
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Although the influenza vaccine is relatively safe and effective, serious complications can develop in rare cases. We encountered two cases of interstitial pneumonia that developed after vaccination during the 2014-2015 influenza season.
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While it's especially important for people who have a chronic illness to get the flu shot, anyone — even healthy folks — can benefit from being vaccinated. Current CDC guidelines recommend yearly vaccination against influenza for everyone older than 6 months of age, including pregnant women.
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Flu vaccination can keep you from getting sick with flu. For example, during 2018-2019, flu vaccination prevented an estimated 4.4 million influenza illnesses, 2.3 million influenza-associated medical visits, 58,000 influenza-associated hospitalizations, and 3,500 influenza-associated deaths.
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Bottom line: It's normal to feel soreness, redness, tenderness, or even develop a mild fever or body aches during the two days after you get vaccinated—that's just your immune response, not the flu illness itself. So there's no reason to avoid getting the flu shot because you think it'll make you sick.
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Getting a flu shot often protects you from coming down with the flu. And although the flu shot doesn't always provide total protection, it's worth getting. This year's annual flu shot will offer protection against three or four of the influenza viruses expected to be in circulation this flu season.
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Vaccination efforts should continue as long as influenza viruses are circulating. Children age 6 months to 8 years without two prior doses of flu vaccine need 2 doses. They should get their first influenza vaccination as soon as vaccine becomes available; the minimum interval for the second dose is 28 days.
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Both immunizations are injectable flu shots and protect against seasonal influenza. But, Fluzone® High-Dose contains four times the amount of antigen as the normal flu shot. The means seniors who receive the vaccine will have extra protection against the flu.
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Very severe or life-threatening allergic reactions to the flu vaccine are rare. Symptoms usually come on within a few minutes of having the vaccine and include difficulty breathing or wheezing, dizziness, facial or throat swelling, hives or an extensive rash, a fast heartbeat or chest pain, and sometimes collapse.
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Some older people and people with certain medical conditions may develop less immunity after receiving a flu shot. Reviews of past studies have found that, on average, the flu vaccine is about 50% to 60% effective for healthy adults who are between 18 and 64 years old. The vaccine may sometimes be less effective.
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Yes, it's safe to get a flu shot during pregnancy. In fact, the Centers for Disease Control and Prevention and the American College of Obstetricians and Gynecologists recommend that all women who are pregnant during flu season get a flu shot, regardless of their trimester.
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The Flu Shot Could Give You a Headache. In addition to muscle soreness, flu shots have been known to cause brain soreness, too — in other words, you could get a headache. While headaches are mildly uncomfortable, they're nowhere near as bad as the full onslaught of flu symptoms you're risking by skipping your vaccine.
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The flu shot will not actually give you the flu, according to the Centers for Disease Control & Prevention. However, people who get the flu shot may experience muscle soreness, fever or nausea.
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['Hepatitis B (HepB) (2nd dose)', 'Diphtheria, tetanus, and whooping cough (pertussis) (DTaP) (1st dose)', 'Haemophilus influenzae type b disease (Hib) (1st dose)', 'Polio (IPV) (1st dose)', 'Pneumococcal disease (PCV13) (1st dose)']
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Anyone who is not eligible for a free influenza vaccine can purchase it at most pharmacies (pharmacists can immunize people 5 years of age and older) and travel clinics. The vaccine is usually given as 1 dose. Children under 9 years of age who have never had a seasonal influenza vaccine need 2 doses.
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But you might develop flu-like symptoms — despite getting a flu vaccine — for a variety of reasons, including: Reaction to the vaccine. Some people experience muscle aches and a fever for a day or two after receiving a flu vaccine. This may be a side effect of your body's production of protective antibodies.
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