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Flu Nasal Aerosol
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with Cystic Fibrosis
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  • with Cystic Fibrosis

Flu Nasal Aerosol (vaccine) for prevention of Flu in Adults with Cystic Fibrosis

  • Unclear

    Bottom Line

  • Flu nose spray vaccine with “live” (weakened) viruses. 2 studies conducted, with 36 adults. Unclear benefits. Irritating side effects and unclear safety. Riskier than flu vaccines with “dead” inactivated viruses.



Avoid this treatment:

No data exists on benefits. More research is needed. High probability for side effects. May be risky. Consider the flu shot instead, if at all…

About Flu Nasal Aerosol (vaccine)

Flu nose spray vaccine with “live” (weakened) viruses

  • Target Population:

    Adults with Cystic Fibrosis, 16 to 65 years old

  • Dosage:

    Seasonal vaccine (once a year). 0.2 mL. One dose.

  • Goal:

    Prevention of Influenza infection, symptoms and complications.

Research Summary

  • Poorly tested
  • 2 Clinical Studies
  • 36 Adults Tested
  • Unclear
  • Benefits:

    Unclear. It does evoke immune system response, but it is not clear if this response brings actual benefits (prevention of flu symptoms and flu complications).

  • Unclear safety
  • Risks:

    Unclear. More research needed. The studies resulted high frequency of side effects, but none were life threatening or persistent. Irritating side effects include: runny nose, sore throat, cough, headache, fever, chills, muscle aches.

Influenza virus infection Overview

  • Medical problem:

    Flu (influenza virus infection and symptoms).

  • Symptoms and signs:

    Cough, dizziness, fever, headache, nausea, pains, runny nose, sore throat, vomiting and aches.

  • Complications:

    Ear infection, lung infection, Seizures.

Other Treatments

Brand Names

Flu Nose Spray (vaccine)

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Live attenuated influenza vaccine (LAIV) is a type of influenza vaccine in the form of a nasal spray. It is an attenuated vaccine, unlike most influenza vaccines, which are inactivated vaccines. LAIV is administered intranasally, while inactivated vaccines are administered by intramuscular injection. Both live attenuated and inactivated vaccines are typically trivalent, since they contain material from three different influenza virus. LAIV is sold under the trade name FluMist in the United States and Canada. (source)
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