are nasal flu vaccines safe?
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Key vaccine facts These stimulate the immune system but do not cause disease in healthy people. It can safely be given at the same time as all other routine childhood vaccines, including other live vaccines. However, the nasal flu vaccine should not be given to people who are clinically immunosuppressed (see below).
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Mid-season estimates suggest that the flu shot has reduced the risk of illness by around 47% in vaccinated people, according to a report from the Centers for Disease Control and Prevention (CDC) released Thursday. During the severe 2017-2018 flu season, vaccine efficacy was estimated at just 36%.
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The vaccine does not contain any live viruses, so it cannot cause flu. You may get a slight temperature and aching muscles for a couple of days afterwards, and your arm may feel a bit sore where you had the injection. Other reactions are rare, and flu vaccines have a good safety record.
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Nasal spray vaccine is made with attenuated (weakened) live flu viruses, and also cannot cause flu illness. The weakened viruses are cold-adapted, which means they are designed to only cause infection at the cooler temperatures found within the nose.
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MYTH: You can catch the flu from the vaccine. The flu shot is made from an inactivated virus that can't transmit infection. So people who get sick after receiving a flu vaccination were going to get sick anyway.
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While vaccine effectiveness (VE) can vary, recent studies show that flu vaccination reduces the risk of flu illness by between 40% and 60% among the overall population during seasons when most circulating flu viruses are well-matched to the flu vaccine.
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"Influenza vaccines are about 50 or 60 per cent effective in protecting you from hospitalization due to influenza. How good are seat belts at protecting you from dying in a car accident? About 50 per cent.
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Side effects from the nasal spray flu vaccine may include: runny nose, wheezing, headache, vomiting, muscle aches, fever, sore throat and cough. If these problems occur, they usually begin soon after vaccination and are mild and short-lived.
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WHAT THE EVIDENCE SAYS: Currently available flu vaccines are aluminum-free and over 80% of flu vaccines today contain no mercury at all. Some flu vaccines contain a tiny amount of formaldehyde that is less than 1% of the amount naturally found in people and is safely cleared from the body.
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Can I have the flu vaccine while I'm taking antibiotics? Yes, it's fine to have the flu vaccine while you're taking a course of antibiotics, provided you're not ill with a high temperature.
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Flu vaccines also have reduced the risk of flu hospitalization among adults age 65 and older by 54% against A(H1N1) viruses and by 31% against influenza B viruses on average (2). However, protection against influenza A(H3N2) flu viruses has been less consistent.
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Getting an influenza vaccine — though not 100% effective — is the best way to prevent the misery of the flu and its complications. The Centers for Disease Control and Prevention (CDC) recommends that everyone 6 months of age or older be vaccinated annually against influenza.
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Children aged between 6 months and 2 years who are eligible for the flu vaccine will receive an injected flu vaccine. Children eligible for the flu vaccine aged between 2 and 17 will usually have the flu vaccine nasal spray.
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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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Quadrivalent flu vaccines protect against four different flu viruses. The high dose vaccine contains 4 times the amount of antigen (the part of the vaccine that helps your body build up protection against flu viruses) as a regular flu shot and is licensed specifically for people 65 years and older.
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Recent studies show flu vaccine can reduce the risk of flu illness by between 40% and 60% among the overall population during seasons when most circulating flu viruses are well matched to the flu vaccine viruses.
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If your child is aged between 6 months and 2 years old and is in a high-risk group for flu, they'll be offered an injected flu vaccine. This is because the nasal spray is not licensed for children under the age of 2.