Fort Collins Vaccination & Immunization Clinic

Offering vaccination and immunization Services in Fort Collins, CO.  We will enter your child's shot information into the Colorado Immunization Information System (CIIS), a confidential, statewide immunization record tracking system.  You can choose to exclude your child's shot information from CIIS at any time.  Please ask us for further information about immunizations and vaccinations at our Fort Collins clinic.

Questions & Answers About the Influenza Vaccine

Q:  When did influenza vaccine first become available?

The first influenza vaccine in the U.S. became available in 1945.

Q:  What kind of vaccine is it?

There are two types of influenza vaccines. The most common influenza vaccine is made from inactivated (killed) viruses. In June 2003, a live influenza vaccine was licensed. It contains live viruses that have been weakened (attenuated).

Q:  How are the vaccines made?

Every year, researchers and manufacturers develop a vaccine that contains virus strains they believe will be circulating in the upcoming influenza season. Influenza vaccines contain three viruses—two type A and one type B. The viruses selected for the vaccine are grown in chicken eggs. For inactivated vaccines, the viruses are killed with formaldehyde, purified, and packaged in vials or syringes. The live vaccine is packaged in a special sprayer. About six months are required to produce influenza vaccines each year.

Q:  How is the vaccine given?

The inactivated vaccine is given as an injection in the deltoid muscle at our Fort Collins vaccination clinic. The live attenuated vaccine is sprayed into the nose.

Immunization Action Coalition

Patient Resources

American Diabetes Association:

American Cancer Society:

American Heart Association:

American Academy of Dermatology:

American Lung Association:

American Medical Association:

Arthritis Foundation:

Mental Health America:

Shriners Hospital for Children:

National Center for Learning Disabilities:


Centers for Disease Control & Prevention: