Influenza H1N1 Vaccine

Generic name: influenza a (h1n1) 2009 monovalent vaccine
Dosage form: injection
Drug class:Viral vaccines

Medically reviewed by Drugs.com. Last updated on Sep 21, 2021.

Indications and Usage

Influenza A (H1N1) 2009 Monovalent Vaccine is an inactivated influenza virus vaccine indicated for immunization of persons 4 years of age and older against influenza disease caused by pandemic (H1N1) 2009 virus.

Dosage and Administration

Preparation for Administration

Inspect Influenza A (H1N1) 2009 Monovalent Vaccine syringes and multidose vials visually for particulate matter and/or discoloration prior to administration. If either of these conditions exists, the vaccine should not be administered.

Shake the syringe vigorously before administering the vaccine and shake the multidose vial preparation each time before withdrawing a dose of vaccine.

Between uses, return the multidose vial to the recommended storage conditions between 2º and 8ºC (36º and 46ºF). Do not freeze. Discard if the vaccine has been frozen.

A separate syringe and needle or a sterile disposable unit should be used for each injection to prevent transmission of infectious agents from one person to another. Needles should be disposed of properly and not recapped.

It is recommended that small syringes (0.5-mL or 1-mL) should be used to minimize any product loss.

Recommended Dose and Schedule

Clinical studies are ongoing with Influenza A (H1N1) 2009 Monovalent Vaccine to determine the optimal dosage, number of doses and schedule.

Available data show that children 9 years of age and younger are largely serologically naïve to the pandemic (H1N1) 2009 virus (15.1). Based upon these data Influenza A (H1N1) 2009 Monovalent Vaccine should be administered as follows:

Children (4 to 17 years of age):

Children 4 through 9 years of age should receive two 0.5mL doses by intramuscular injection approximately 1 month apart.

Children 10 through 17 years of age should rece...