Flu shot: Your most effective guess for preventing influenza

Obtaining a flu shot typically safeguards you from coming down with the flu. And although the flu shot will not constantly give whole defense, it really is value obtaining.

By Mayo Clinic Staff

This year’s once-a-year flu shot will present defense in opposition to three or four of the influenza viruses predicted to be in circulation this flu season. A high-dose flu vaccine as very well as an additional vaccine also will be accessible for older people age 65 and more mature.

Influenza is a respiratory infection that can lead to critical issues, specifically in youthful children, more mature older people and men and women with sure medical situations. Obtaining an influenza vaccine — even though not one hundred% efficient — is the most effective way to stop the distress of the flu and its issues. The Facilities for Illness Regulate and Avoidance (CDC) suggests once-a-year flu vaccination for every person age 6 months or more mature.

Below are the solutions to prevalent thoughts about flu photographs:

When is the flu vaccine accessible?

Private manufacturers make the flu vaccine and get about six months to produce it. The availability of the flu vaccine relies upon on when manufacturing is concluded. But generally, shipments get started sometime in August in the United States. Medical practitioners and nurses may perhaps get started vaccinating men and women as before long as the flu vaccine is accessible in their areas.

It takes up to two weeks to develop immunity after a flu shot, but you can advantage from the vaccine even if you don’t get it right up until after the flu season begins. It is really normally most effective for men and women in the United States to get their flu vaccine in September and Oct, and goal to get it by the stop of Oct. On the other hand, you can continue to safeguard oneself in opposition to late flu outbreaks if you get the vaccine in February or later.

Why do I want to get vaccinated every single calendar year?

Simply because flu viruses evolve so promptly, last year’s vaccine may perhaps not safeguard you from this year’s viruses. New flu vaccines are released every single calendar year to maintain up with swiftly adapting flu viruses.

When you get vaccinated, your immune procedure makes antibodies to safeguard you from the viruses bundled in the vaccine. But antibody levels may perhaps decline in excess of time — an additional motive to get a flu shot every single calendar year.

Who should get the flu vaccine?

The CDC suggests once-a-year influenza vaccinations for every person age 6 months or more mature. Vaccination is primarily significant for men and women at high threat of influenza issues, like:

  • Pregnant girls
  • Older older people
  • Younger children

Small children involving 6 months and eight yrs may perhaps want two doses of the flu vaccine, given at least four weeks aside, the initially time they are given a flu vaccine. Following that, they can acquire one once-a-year doses of the flu vaccine. A 2017 review showed that the vaccine appreciably lowers a child’s threat of dying of the flu. Verify with your child’s medical professional.

Chronic medical situations also can boost your threat of influenza issues. Examples consist of:

  • Asthma
  • Most cancers or most cancers therapy
  • Chronic obstructive pulmonary condition (COPD)
  • Cystic fibrosis
  • Diabetic issues
  • HIV/AIDS
  • Kidney or liver condition
  • Being overweight

Any one with a persistent medical issue should get the flu vaccine.

Verify with your medical professional ahead of obtaining a flu vaccine if:

  • You might be allergic to eggs. Most styles of flu vaccines include a little amount of egg protein. If you have a moderate egg allergy — you only get hives from feeding on eggs, for case in point — you can acquire the flu shot devoid of any additional safeguards. If you have a serious egg allergy, you may perhaps want to be vaccinated in a medical environment and be supervised by a medical professional who is capable to acknowledge and handle serious allergic reactions.

    There are also flu vaccines that don’t include egg proteins, and are Food stuff and Drug Administration (Food and drug administration) accredited for use in men and women age eighteen and more mature. Seek the advice of your medical professional about your selections.

  • You experienced a serious response to a prior flu vaccine. The flu vaccine is not advisable for everyone who experienced a serious response to a prior flu vaccine. Verify with your medical professional initially, even though. Some reactions might not be connected to the vaccine.

What are my flu vaccine shipping selections?

The flu vaccine will be accessible as an injection or as a nasal spray. In modern yrs, there was problem that the nasal spray flu vaccine was not efficient enough in opposition to sure styles of flu. The nasal spray vaccine is predicted to be a lot more efficient in the 2020-2021 season.

The nasal spray vaccine is accredited for men and women involving two and 49 yrs aged.

The nasal flu vaccine is not advisable for some men and women, like:

  • Small children underneath two
  • Grown ups fifty and more mature
  • Pregnant girls
  • Small children involving two and seventeen yrs aged who are taking aspirin or a salicylate-containing treatment
  • People today with weakened immune methods
  • Young ones two to 4 yrs aged who have experienced asthma or wheezing in the past twelve months

There are other groups recommended to be careful about the use of a nasal spray flu vaccine, these as men and women with sure persistent medical situations. Verify with your medical professional to see if you want to be careful about obtaining a nasal spray flu vaccine.

The flu vaccine can also be shipped by an injection that’s normally given in a muscle in the arm. If you are an grownup underneath 65, you may perhaps also select an in-the-pores and skin (intradermal) vaccine, or you may perhaps want to have your vaccine shipped utilizing a jet injector system, which works by using a high-force, narrow stream of fluid to penetrate the pores and skin as a substitute of a needle.

Can the vaccine give me the flu or other respiratory health conditions?

No. The flu vaccine won’t be able to give you the flu. It also does not boost your threat of COVID-19. But you might develop flu-like signs and symptoms — irrespective of obtaining a flu vaccine — for a wide variety of factors, like:

  • Reaction to the vaccine. Some men and women practical experience muscle aches and a fever for a working day or two after obtaining a flu vaccine. This may perhaps be a aspect impact of your body’s manufacturing of protective antibodies.
  • The two-week window. It takes about two weeks for the flu shot to get total impact. If you are uncovered to the influenza virus soon ahead of or for the duration of that time interval, you might catch the flu.
  • Mismatched flu viruses. In some yrs, the influenza viruses applied for the vaccine don’t match the viruses circulating for the duration of the flu season. If this takes place, your flu shot will be considerably less efficient, but may perhaps continue to present some defense.
  • Other diseases. Numerous other diseases, these as the prevalent cold, also produce flu-like signs and symptoms. So you may perhaps feel you have the flu when you actually don’t.

What form of defense does the flu vaccine present?

How very well the flu vaccine is effective to safeguard you from the flu can differ. The flu vaccine is generally a lot more efficient among men and women underneath 65 yrs aged. Some more mature men and women and men and women with sure medical situations may perhaps develop considerably less immunity after obtaining a flu shot.

Reviews of past studies have found that the flu vaccine is about fifty% to 60% efficient for wholesome older people who are involving eighteen and 64 yrs aged. The vaccine may perhaps sometimes be considerably less efficient.

Even when the vaccine will not wholly stop the flu, it may perhaps lessen the severity of your disease, and cut down the threat of critical issues and critical disease necessitating hospitalization.

The flu vaccine does not safeguard you from obtaining COVID-19. On the other hand, it really is primarily significant to get the flu vaccine this season since the flu and coronavirus condition 2019 (COVID-19) lead to related signs and symptoms. Flu vaccination could cut down signs and symptoms that might be confused with all those brought on by COVID-19. Avoiding the flu and cutting down the severity of flu disease and hospitalizations could also lessen the selection of men and women needing to stay in the medical center.

Can I lower my threat of the flu devoid of obtaining a flu shot?

The flu vaccine is your most effective protection in opposition to the flu, but there are additional methods you can get to help safeguard oneself from the flu and other viruses, like COVID-19. These methods consist of the adhering to:

  • Clean your fingers typically and comprehensively with soap and water for at least twenty seconds.
  • Use an alcoholic beverages-primarily based sanitizer on your fingers if soap and water usually are not accessible.
  • Stay clear of touching your eyes, nose or mouth.
  • Stay clear of crowds when the flu is spreading in your location.
  • Stay clear of remaining in close get hold of with other individuals who are sick.
  • Cover your mouth with a tissue or your elbow when you cough or sneeze, and then wash your fingers.
  • Regularly thoroughly clean and disinfect commonly touched surfaces, these as counters, light-weight switches or doorknobs. This can help to stop distribute of infection from touching a surface with the virus on it and then your face.
  • Apply very good wellness behavior. Get common exercising, get enough snooze, drink loads of fluids, consume a wholesome diet, and handle your anxiety.

If you turn out to be sick with the flu, you can also help stop the distribute of the flu by being household and absent from other individuals. Proceed being household right up until your fever has been long gone for at least 24 hours.

During the COVID-19 pandemic, the two COVID-19 and the flu may perhaps be spreading at the very same time. Your local wellness section and the CDC may perhaps counsel additional safeguards to cut down your threat of COVID-19 or the flu, these as practising social distancing and keeping 6 toes (two meters) absent from everyone exterior your family. You also may perhaps want to dress in a fabric face mask when in public, primarily when it really is tricky to maintain distance.

Obtaining your flu vaccine can cut down your threat of the flu and its issues, and adhering to these safeguards can help safeguard you from the flu or other respiratory diseases.