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.
Since the mid-1980s, many vaccines have been added to the schedule. 1  Now, children could receive as many as 24 shots by 2 years of age and five shots in a single visit.