The phrase "an ongoing need for" is correct and usable in written English.
It can be used to describe a continuous requirement or necessity for something over time.
Example: "The organization has identified an ongoing need for additional training resources to support employee development."
Alternatives: "a continual demand for" or "a persistent requirement for".
"Hong Kong is a sophisticated, international city with strong market growth and an ongoing need for creative talent".
Some customers, after shopping and purchasing, have an ongoing need for readily accessible spare parts or supplies.
There is an ongoing need for effective and accessible preventive interventions for adolescent depression and substance abuse.
"Robert Wood Johnson is an important part of this community, with an ongoing need for health care professionals, so this was an appropriate theme for this community".
In Haiti, where cholera continues to spread, there is an ongoing need for vaccines, as well as swift diagnosis, treatment, and reporting of disease.
There is an ongoing need for effective materials that can replace autologous bone grafts in the clinical treatment of bone injuries and deficiencies.
There is an ongoing need for new adjuvants to facilitate development of vaccines against HIV, tuberculosis, malaria and cancer, amongst many others.
The pharmaceutical industry has an ongoing need for new, safe medicines with a genuine biomedical benefit, a clean IP position and commercial viability.
For this reason, there is an ongoing need for reagents and methods which can identify a range of different virus types in paraffin embedded tissue.
Conclusion: Although drinking and alcohol-related problems decreased after TBI, there appears to be an ongoing need for prevention and intervention efforts.
There is, of course, an ongoing need for the United States to work hard for higher productivity and to aim at higher household savings and a smaller trade deficit.
