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How Long Does A Flu Shots Last
Also known as influenza vaccines, flu shots are given out once a year to protect against the flu. The flu shot stimulates the immune system to build antibodies to three or four strains of flu viruses in the hopes that it will offer protection from the current strains present in the community. Each year the Centers for Disease Control (CDC) monitors the strains of Influenza globally and incorporates the appropriate antigens in the new vaccine. For best protection the vaccine ...Read more
A year: Good question. The influenza virus mutates rapidly so each year's vaccine varies as each year's vaccine is based on the most prevalent flu strains from the last flu season. The actual immunity derived from a given flu shot probably lasts more than one year, but it is important to get a new shot each year, due to the changes. ...Read more
3 days: Shoulder discomfort might a little longer.Get a more detailed answer ›
I am experiencing insomnia for over 2 weeks after i had a flu shot. How long does this side effect last?
I got a flu shot a week ago and continue to have muscle pain in that arm. How long will this last and what can I do to help it?
It depends....: If you have a simple cold, even with a low grade fever, you may receive a flu vaccine. If your fever is above 101, i would wait until you feel better before receiving the vaccine. Keep in mind however, that the sooner you become immunized, the sooner you will be protected! if york are less than 50 years old and do not have active asthma, you may want to consider the nasal flu vaccine, flumist. ...Read moreSee 1 more doctor answer
Near 6 month old needs a flu shot. How old should he be and how long in between the two shots should we wait?
Define "good": The flu strains mutate often & each year the predominant strains change. The flu vaccine is developed yearly using 3 strains that are circulating & already causing "flu" in so many places that a they are expected to continue.The vaccine stimulate production of antibodies to the included strains that last for years. But the flu mutates so often, last years vaccine is unlikely to stop this years flu. ...Read more
1 to 2 days usually: The flu shot has inactivated virus- so it will not infect you with the flu. If you have reactions to the shot they usually resolve within one to two days. Side effects can include a low grade fever, aches & pain, and localized swelling, redness and pain at the shot site. Some people have had allergic reactions to the flu vaccine. ...Read more
Don't: There is no reason to wait between these vaccines.They can be given the same day and give protection as well as if separated. ...Read more
The flu, otherwise known as influenza, is a viral infection of the nose and throat. Symptoms of influenza include fever, chills, runny nose, muscle aches, fatigue, malaise, headaches, and coughing. Children with the flu often have nausea and vomiting as well. Some strains of the flu are preventable by getting a yearly flu ...Read more
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