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Influenza (Flu)

Houston Center for Infectious Diseases provides the following vaccines to prevent Influenza (Flu):

Inactivated Flu: Seasonal inactivated influenza vaccine (Fluzone Influenza Vaccine)

LAIV: Seasonal live attenuated intranasal influenza vaccine

How should I get the vaccine?

Houston Center for Infectious Diseases provides two types of inactivated Influenza (Flu) vaccines; trivalent and quadrivalent.

Trivalent vaccines protect against two influenza A viruses (an H1N1 and an H3N2) and an influenza B virus.

Standard-dose trivalent shots (IIV3), approved for use in people 6 months and older. (Most flu shots are given with a needle. One flu vaccine also can be given with a jet injector, for persons aged 18 through 64 years.)

Intradermal trivalent shot, which is injected into the skin instead of the muscle and uses a much smaller needle than the regular flu shot, approved for people 18 through 64 years of age.

Fluzone Influenza Vaccine High dose trivalent shot approved for people 65 and older.

Quadivalent vaccines protect against two influenza A viruses and two influenza B viruses. Quadrivalent vaccines are available in:

Quadrivalent flu shot. Different vaccines are approved for different age groups. There is a quadrivalent flu shot that can be given to children as young as 6 months of age. Other quadrivalent flu shots are approved for people 3 years and older.

Influenza Live, Intranasal (Flu Mist)

Nasal spray, approved for healthy people from 2-49, who do not have contraindications to the nasal spray vaccine.