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Doctor insights on: Can You Catch The Flu From Someone Who Just Had The Flu Shot

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Can you catch the flu from someone who just had the flu shot?

Can you catch the flu from someone who just had the flu shot?

Not usually: The're two kinds of flu vaccines. One is a weakened live virus vaccine given in a nasal form (nasal shot). There is a mild risk of getting the flu from someone who had a nasal flu shot, especially if those around have poor immune system. The other vaccine is made from particles of a dead virus. It is commonly given as a shot into the muscle. One and others around cannot get the flu from this. ...Read more

Flu Shot (Definition)

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


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Is it possible for me to catch the flu from someone who got a flu shot?

Maybe: There are different types if flu vaccine. The ones given with needles. (shots) are made of inactivated flu peices. These cannot produce disease therefore could not get you sick. Flumist is a nasal spray vaccine that contains live virus capable of spreading and causing you (or others) to rarely get sick as well. ...Read more

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What happens if I get a flu shot can my wife catch the flu?

What happens if I get a flu shot can my wife catch the flu?

No: The flu shot vaccine is not a live virus. You can not get the flu, nor transmit the flu to someone else from the shot. ...Read more

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There are over 200 strains of the influenza virus. How many of those does the flu shot prevent?

There are over 200 strains of the influenza virus. How many of those does the flu shot prevent?

2014 – 2015 Flu Shot: Trivalent works against 3 influenza viruses – Influenza A viruses (H3N2 & H1N1) & 1 influenza B virus. Quadrivalent & the live attenuated Influenza vaccine work against these & a second influenza B virus. ...Read more

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Had flu shot in mid november -- tested positive for influenza a after a very mild illness. How did I get the flu? Am 22 weeks pregnant.

Aprox 80% effective: First the flu shot takes 3 weeks to build full immunity so next year take it late october this way when the season starts (nov in the ne) you are ready. Influenza affects about 20% of the population an the vaccine gives about 80% immunity if correctly paired to the current strain. In your case you did get flu but had some immunity since it was mild. Stay hydrated! ...Read more

Dr. Tony Ho Dr. Ho
1 doctor agreed:
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My 22mo had his flu shot. Now, I have the flu. I didn't get a shot. How much risk is there that he can still catch it from me?

Dr. Tony Ho Dr. Ho
1 doctor agreed:
My 22mo had his flu shot. Now, I have the flu. I didn't get a shot. How much risk is there that he can still catch it from me?

Depends on strain: It all depends on which strain you have and if that is included in the flu vaccine. Also, it depends on how long ago your child had the vaccine; if it has been over 2 weeks, he should have a reasonable amount of immunity to the strains covered. I would advise religious hand washing and covering of your mouth around him until you have broken your fever for > 24 hours. ...Read more

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I have influenza B. Should I still get the flu vaccine when I recover?

I have influenza B. Should I still get the flu vaccine when I recover?

Interesting question: In theory the vaccine have three or four viruses and your flu is just one so it would be a benefit for you to do that to help protect from the others. I haven’t seen an official recommendation for your situation but this would be my thought ...Read more

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My daugter just had the flu shot and now has a rash....Small red dots all over body?

My daugter just had the flu shot and now has a rash....Small red dots all over body?

This can be normal: If the child is acting normal and feels well, this could be a post viral exanthem. This is a rash that starts in the middle of the torso, abdomen, even the neck and spreads to the rest of the body. Your physician needs to see it to make sure. But if your child is afebrile and looking good, this would be likley. ...Read more

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What does the flu shot protect?

What does the flu shot protect?

Not much: The flu shot is supposed to build antibodies to different strains of flu virus in the hopes that it will offer cross protection to the current strains. It contains other contaminants that can be toxic. I am not a fan of the flu shot. Other physicians may have a different experience. ...Read more

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Why do so many people say the flu shot gives them the flu?

Why do so many people say the flu shot gives them the flu?

Similar viruses: It is a killed vaccine, so it does not cause viral infection. Most have no side effects except a sore arm, it rarely cause flu like illness. It may just be an excuse not to receive the vaccine, or what others have said.
The influenza vaccine is given in the fall and winter months, when many similar viuses, for which no vaccine exists, circulate and cause illnesses. ...Read more

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Should everyone get the flu shot?

Should everyone get the flu shot?

Just about: Everyone. It is not for infants younger than 6 months of age. "People who have experienced a severe (life threatening) allergy to a prior dose of an seasonal influenza vaccine" should not get the flu shot per the CDC. ...Read more

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Is there any scientific proof that the flu shot works?

Is there any scientific proof that the flu shot works?

Yes: Each year there are at least 4-6 different strains circling the globe & air travel spreads it quickly. Only 3-4 strains can be put into the yearly shot without weakening the protection for each strain. These are picked by amount of world activity. There is always a chance someone who gets the shot can get a flu strain not in the vaccine but it protects for most. ...Read more

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Can the flu shot cause the flu?

Can the flu shot cause the flu?

No: No. The virus in the vaccine is not a live virus and cannot cause the flu. ...Read more

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Can the flu shot cause sickness?

Can the flu shot cause sickness?

Influenza vaccine: Flu shot side effects may include: slight swelling, redness or pain at vaccination site. If headache, nausea, fever or muscular pain occur they usually resolve within one to two days. You won't get the flu from a flu shot because the virus either contains inactivated virus or doesn't have virus particles in it. Severe side effects are rare. ...Read more

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When should the flu shot wear off?

You should get: A new flu shot every year - as it will target different virus strains/ mutations. ...Read more

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Can you get sick with the flu shot?

Can you get sick with the flu shot?

Not with the flu: You may experience flu-like symptoms while your body's immune system is responding to the vaccine challenge, but the vaccines usually are a killed virus (there is a weakened live virus form available to healthy persons between 2-49 y/o). ...Read more

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Can you give your child the flu shot?

Can you give your child the flu shot?

Certainly yes: Any child 6 months or older has the first priority to receive flu shot. ...Read more

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Should I give my children the flu shot?

Should I give my children the flu shot?

I do.: It really upsets me to see my children feeling miserable. I want to protect them. ...Read more

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Can I still get sick with the flu shot?

Can I still get sick with the flu shot?

Confusing question: Not all strains of flu make it into the vaccine so some may get a flu from one of these other strains even if they got a "flu" shot early on. You can also have a mild to moderate systemic reaction to the vaccine if you are allergic to eggs or any other component in the vaccine. Last but not least, you can get ill from something unrelated to the flu shot that you were incubating when you got it. ...Read more

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Can people with mg receive the flu shot?

Can people with mg receive the flu shot?

No absolut contrain: If mg means myasthenia gravís then if the disease is active probable is convenient to wait. There is not an absolut contraindicación to the flu vaccine unless serious allergies to eggs or chichen or previous guillain barré. I would ask the specialist who is treatment your mg if he/she has objecions to it. ...Read more

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Is it bad that I gave my baby the flu shot?

Is it bad that I gave my baby the flu shot?

If over age: 6 months then it is good that your baby received a flu shot. ...Read more

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Why should you get the flu shot every year?

Why should you get the flu shot every year?

Reality: The flu virus is well known for mutating frequently which makes prior vaccines less helpful. There are also 4-6+ strains circulating the globe at any point and air travel spreads them easily. Each year they pick the top 3-4 strains (by frequency) & put them into the shot. More would weaken strength for individual strains. If you get the shot every year (I do) you increase your chances for it to work ...Read more

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Like to get the flu shot but is it available?

Yes: Influenza vaccine is currently available in New England. ...Read more

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Why does the flu shot sometimes make people sick?

Why does the flu shot sometimes make people sick?

Influenza vaccine: Flu shot side effects may include: slight swelling, redness or pain at vaccination site. If headache, nausea, fever or muscular pain occur they usually resolve within 1 to 2days. You won't get the flu from a flu shot because the virus either contains inactivated virus or doesn't have virus particles in it. The body can reacte to inactivated or recombinant material. Severe side effects are rare ...Read more

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Can you tell me how is effective is the flu shot?

Can you tell me how is effective is the flu shot?

Influenza Vaccine.: There is a lot of variability in how effective flu vaccines are from season to season. This is impacted by how well the influenza vaccine is matched to the current flu strain and the person's baseline health & age. To learn more see: http://www. Cdc. Gov/flu/about/qa/vaccineeffect. Htm ...Read more

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Help please? What helps when getting the flu shot?

Help please? What helps when getting the flu shot?

Are you afraid of: Shots? Before you get your flu shot, breath in slowly ; deeply through your nostrils. Fill your lungs with air (but not to the point of discomfort). Hold for a count of five then slowly begin to exhale through an open mouth. Repeat at least 12 times, longer if you need to. This will help to calm/ relax you. ...Read more

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Is it normal that you get a knot from the flu shot?

Is it normal that you get a knot from the flu shot?

Yes: Local injection site reactions such as a tender nodule or redness are common after flu vaccination and should resolve within a couple of days. ...Read more

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I'm curious as to how long is the flu shot effective?

I'm curious as to how long is the flu shot effective?

Define effective: The flu strains mutate often. Each year the predominant strains change. The flu vaccine is developed yearly using 3 strains that are circulating and 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. However, the flu mutates so often, the benefit can be limited to one season. ...Read more

Dr. Oscar Novick
2 Doctors shared insights

Influenza (Definition)

Influenza is a viral respiratory infection that causes cough, fever, chills, sore throat, muscle aches and headache. While most healthy people suffer few complications from the flu, it can be deadly for pregnant women, babies and children, the elderly and those with weak immune systems. That's why it's so important to get the flu shot to protect yourself ...Read more