The phrase "are gaining prevalence" is correct and usable in written English.
It can be used to describe something that is becoming more common or widespread over time.
Example: "In recent years, alternative energy sources are gaining prevalence as more people seek sustainable solutions."
Alternatives: "are becoming more common" or "are increasingly popular."
As chefs are inspired by a local footprint in both its produce and flavorings, it's easy to see why this food is gaining prevalence.
But don't despair yet, chocolate lovers, ethically sourced chocolate is gaining prevalence and becoming easier to find (not to mention afford) every day.
The formulation and adoption of BMPs (or Good Aquaculture Practices – GAP) is gaining prevalence to enhance biosecurity, increase cost efficiency, reduce chemical residues and increase traceability.
Minimally invasive surgery (MIS) is gaining prevalence because it offers the benefits of small incisions, less pain, faster recovery, and fewer post-operative complications.
Cases like this are gaining prominence because of a multi-pronged legal and legislative campaign by the American Civil Liberties Union and other groups concerned about the increasing prevalence of Catholic hospitals nationwide.
Eczema is a chronic form of childhood disorder that is gaining in prevalence in affluent societies.
Furthermore, immunotherapies are quickly gaining prevalence for cancer therapy, especially for use in melanoma [ 69].
Network marketing, a direct-selling approach similar to home sales, is also gaining prevalence in markets worldwide.
With the flourishing smart sustainable urban planning approach (e.g. [2, 5]), pervasive sensing is gaining increased momentum and prevalence as to measuring and collecting data on urban functioning and change in a new way, from the ground up, by means of powerful sensing technologies (motion, behavior, orientation, location, etc).
