"new vitality" is correct and usable in written English.
You can use it to describe a renewed energy or enthusiasm. For example, "The new grant has given our organization new vitality."
New York City, infatuated with its center, is spawning new vitality along its outer edge.
After World War II, governmental architecture showed new vitality.
Instead of dying out, however, verse took on new vitality.
It is also about the creation of new vitality.
The source of Toronto's new vitality is easy to discern.
Under Mr. Gilbert, the overall structure and shape of the opera came through with new vitality.
The growth of tourism also brought new vitality to the coast.
He will lead a new "Vitality Institute", a think-tank on health and behaviour change.
The emancipation of the Jews within a short time endowed cultural life with new vitality.
It is conducting its own checks.With greater self-reliance may come a new vitality.
Now, after a long drift, there are some signs of new vitality.
