are you contagious after vaccine?
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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.
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You're typically considered no longer contagious after you've been on a regimen of antibiotics for a period of time, which depends on your type of infection. For example, you're no longer contagious with strep throat after you've been on antibiotics for 24 hours and no longer have a fever.
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Most people who have had chickenpox or have been vaccinated against chickenpox are immune to chickenpox. If you've been vaccinated and still get chickenpox, symptoms are often milder, with fewer blisters and mild or no fever. A few people can get chickenpox more than once, but this is rare.
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Soreness or swelling where the shot was given, fever, fussiness, feeling tired, loss of appetite, and vomiting sometimes happen after DTaP vaccination. More serious reactions, such as seizures, non-stop crying for 3 hours or more, or high fever (over 105°F) after DTaP vaccination happen much less often.
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It takes up to two weeks to build immunity after a flu shot, but you can benefit from the vaccine even if you don't get it until after the flu season starts. It's usually best for people in the United States to get their flu vaccine by the end of October.
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Common: (between one and 10 per cent of all vaccinations) - warmth, itching or bruising at the injection site; increased sweating/shivering, flu-like symptoms; swollen glands in the neck, armpit or groin.
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Soreness, redness, or swelling where the shot was given are common after yellow fever vaccine. Fever sometimes happens. Headache and muscle aches can occur. More serious reactions happen rarely after yellow fever vaccine.
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Flu vaccines cause antibodies to develop in the body about two weeks after vaccination. These antibodies provide protection against infection with the viruses that are in the vaccine. The seasonal flu vaccine protects against the influenza viruses that research indicates will be most common during the upcoming season.
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These side effects usually begin shortly after the injection and can last up to 14 days, though most resolve within one week. About 1 in 4 people who get the vaccine experience mild side effects.
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Common reactions to the MMRV vaccine may include soreness, redness and swelling where the vaccine was given. A mild fever, swelling in the cheeks or neck, and a rash that looks like measles, rubella or chickenpox may occur about 1 to 2 weeks after the vaccine.
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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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Even though it's best to get vaccinated as soon as the flu vaccine is available, getting the vaccine later still can be helpful. Even as late as January, there are still a few months left in the flu season, so it's still a good idea to get protected.
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Does flu vaccine work right away? No. It takes about two weeks after vaccination for antibodies to develop in the body and provide protection against influenza virus infection.
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Protection is induced about 7 days after the injection. In countries or areas at risk, the protective efficacy 1.5 years after vaccination is about 72%; after 3 years it is about 50%. The vaccine is licensed for individuals aged >2 years. To maintain protection, revaccination is recommended every 3 years.
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Can you get chickenpox if you've been vaccinated? Yes. About 15% – 20% of people who have received one dose of varicella (chickenpox) vaccine do still get chickenpox if they are exposed, but their disease is usually mild.
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Other common reactions to vaccines, such as fever, pain, swelling, or redness at the injection site, or a mild rash, usually come on later and are usually not serious. But contact your doctor if you have any worrisome symptoms after receiving a vaccination.
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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.