are flu vaccine symptoms contagious?
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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. It takes a week or two to get protection from the vaccine.
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Here's something else to keep in mind: it can take two weeks for the flu vaccine to take effect. So if you're exposed to the flu within that two week period, you might still get sick. Once a flu season is over, the old vaccine is not as effective, so an annual flu shot is needed for optimal protection.
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With any vaccine, look for any unusual conditions, such as a high fever, behavior changes, or signs of a severe allergic reaction after vaccination. Signs of a severe allergic reaction can include: Difficulty breathing. Hoarseness or wheezing.
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Common reactions to the vaccine include soreness, redness and swelling where the vaccine was given. Some children may have fever, drowsiness, fussiness, loss of appetite or an upset stomach. These are mild reactions and usually last one to two days.
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The flu is “a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs,” according to the CDC, which says as many as 11% of Americans get it each season. It says symptoms include some or all of the following: Fever. Cough and sore throat.
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It is important to know that even if you don't have a fever, you may have flu and be contagious if you get flu symptoms.
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Usually given as an injection in the upper arm, the flu shot contains killed flu viruses that will not cause someone to get the flu. But it can cause mild side effects like: soreness, redness, or swelling at the injection site. a low-grade fever.
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Side effects of the flu jab include: Redness, soreness, and swelling where you were injected. Sometimes this spot is itchy. Muscle aches. Nausea.
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It may keep you from getting the flu. If you do get the flu, you may not get as sick as you would have gotten without the vaccine, or you may be less likely to develop serious complications like pneumonia. If you don't get the flu, you can't pass it on.
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Many types of vaccines have similar mild side effects which can be managed at home. Common side effects include localised pain, swelling or redness at the injection site, fatigue, muscle or joint pain, weakness, mild fever, or chills. These side effects indicate that your body is building immunity against the disease.
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Side effects of the vaccine are uncommon and generally similar to other vaccine reactions: lethargy, low-grade fever, a lump at the site of injection, hives, and itching. In very rare cases, severe reactions can occur. Pregnant dogs should not be vaccinated against the flu.
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The flu shot is safe, and you cannot get the flu from the flu shot. Most people have little or no reaction to the flu shot and the most common side effect is some discomfort in your arm hours after receiving the vaccination, including soreness, redness and/or swelling.
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A cough or a fever aren't the only indications of being contagious. You're contagious before you have symptoms — during the incubation period, when the virus enters your system. And just because you feel better doesn't mean those around you are safe.
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Some people report having mild reactions to flu vaccination. The most common side effects from flu shots are soreness, redness, tenderness or swelling where the shot was given. Low-grade fever, headache and muscle aches also may occur. If these reactions occur, they usually begin soon after the shot and last 1-2 days.
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You can still get the flu vaccine if you have a mild illness, such as a cold or sinus infection. People who have a fever or a moderate or severe illness may need to delay vaccination until they've recovered.
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You may experience dizziness or fainting with the flu shot. These effects shouldn't last longer than a day or two. If you tend to get dizzy or faint when getting a shot, be sure to tell your healthcare provider before they give you the flu shot.
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If a child develops a rash after getting the MMR vaccine, is he contagious? Transmission of the vaccine viruses does not occur from a vaccinated person, including those who develop a rash. No special precautions (e.g., exclusion from school or work) need be taken.