does the flu shot protect against influenza type a?
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In general, current flu vaccines tend to work better against influenza B and influenza A(H1N1) viruses and offer lower protection against influenza A(H3N2) viruses.
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Answer: The 2019/20 influenza (flu) vaccines protect against the following viruses: an A/Brisbane/02/2018 (H1N1)pdm09-like virus. an A/Kansas/14/2017 (H3N2)-like virus.
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Luckily, this year's flu vaccine is a 100% match with H1N1, which has accounted for about 82% of the influenza A out there. The vaccine is also a 100% match with B/Yamagata, a far less common virus that makes up just 2% of the influenza B circulating.
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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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The seasonal flu vaccine protects against the influenza viruses that research indicates will be most common during the upcoming season.
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Antiviral drugs are prescription medicines that help fight viruses in your body. These drugs can help keep you from getting the flu if you have been exposed. The two antiviral drugs that are used to prevent flu are: oseltamivir (Tamiflu) and zanamivir (Relenza).
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Most flu vaccines in the United States protect against four different flu viruses (“quadrivalent”); an influenza A (H1N1) virus, an influenza A (H3N2) virus, and two influenza B viruses.
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Now, both flu vaccines designed for older adults are trivalent and not quadrivalent. Quadrivalent vaccines do provide protection against an additional influenza B strain. However, experts say that older adults are less likely to be seriously ill from influenza B than from influenza A.
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The Tdap vaccine protects against: Tetanus. Diphtheria. Pertussis (whooping cough)
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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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The flu vaccine only protects against flu, not other illnesses. Another explanation is that it is possible to be exposed to flu viruses, which cause flu, shortly before getting vaccinated or during the two-week period after vaccination that it takes the body to develop immune protection.
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A flu shot: The viruses in a flu shot are killed (inactivated), so you cannot get flu from a flu shot. Some minor side effects that may occur are: Soreness, redness, and/or swelling where the shot was given.
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— Pooled data confirms vaccine's lower effectiveness, especially against H1N1 strain. Live attenuated influenza vaccine (LAIV4), or FluMist, was less effective at preventing flu, especially influenza A/H1N1, in recent flu seasons among kids than inactivated influenza vaccine (IIV) was, researchers found.
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Both hepatitis A and hepatitis B can be prevented with safe, effective vaccines. It is important to get vaccinated to protect your health and prevent spreading the disease to others. The hepatitis A and hepatitis B vaccines can be given separately or as a combination vaccine.
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However, the flu virus mutates very quickly and the vaccine does not provide protection against all strains. Bronchitis is the inflammation of the airways leading to the lungs. Bronchitis often develops from the common cold.
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The flu shot is a vaccine given with a needle, usually in the arm. The quadrivalent flu vaccine is designed to protect against four different flu viruses. The high dose vaccine contains 4 times the amount of antigen as a regular flu shot and is licensed specifically for people 65 years and older.
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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.