Definitions for Interferon gamma. Here are all the possible meanings and translations of the word Interferon gamma. Freebase(0.00 / 0 votes)Rate this definition: Interferon gamma. Interferon gamma is a dimerized soluble cytokine that is the only member of the type II class of interferons.
The Polio guidelines are different, with the U.S. requiring 3 shots early (as opposed to 2 in Japan) and one at 4-6 years old, whereas Japan makes no recommendation of a Polio vaccine beyond 18 months.
However, it is generally safe and will save your child from suffering with a preventable illness. Talk to your doctor if you have questions about the vaccine. It's given to children at 12 months to 18 months of age and again between 4 years and 6 years of age.