The phrase "persistent fears" is correct and usable in written English.
You can use it when referring to something that is causing a person to have long-term worries or anxieties. For example, "She has had persistent fears about her job security."
Over the past year, its shares have fallen 23percentt, mostly over persistent fears that the buyout would fail.
With global demand for oil growing by 1-2% a year, there are persistent fears of a supply shock.
But the growing animosity expressed by public officials and environmentalists demonstrated the persistent fears and mistrust surrounding the plant in Buchanan, 35 miles north of Manhattan.
But supporters and critics said the White House had failed to calm persistent fears that the initiative would undermine Constitutional guarantees separating church and state.
The stock market ended an uneven session nearly unchanged yesterday, as persistent fears about sluggish growth and a mixed batch of retail sales dampened investors' appetite for stocks.
In white South African circles there are persistent fears that the departure of the great reconciler will be the cue for an outburst of violence.
There is a persistent fear that they have entered a permanently lower earnings and savings trajectory.
Overcoming his persistent fear of falling was a large part of what attracted him to flying.
Despite a persistent fear about the cancer, Ms. Litwin considers herself lucky to have survived to the age of 50.
PRECAUTIONS Having a favorite piece of jewelry stolen while it is being worn is a persistent fear.
It is the memory of waiting before he was rescued, and the persistent fear, rising up in his throat, that he might not have been rescued at all.
