Five prisoners have tested positive for tuberculosis.
Four of the inmates were housed at the maximum-security prison and one at the remand facility.
According to a press release from the prisons service, the prisoners recently exhibited symptoms of tuberculosis and were examined.
After testing positive they were immediately taken to the Caura medical facility for treatment.
The areas where they were housed were sanitized and continuous testing and screenings are being conducted.
A man well known to police was arrested at his one Woodbrook place apartment last night for allegedly aiding and abetting the two escapees Olatunji Denbow and Michael Findlay who remain at large.
Investigators told Guardian Media the suspect who had a string of matters previously in court, including murder was held by a team of police officers from the Port of Spain task force under the supervision of inspector powder sometime last night.
He remains in police custody at the Besson Street police station.
According to police reports, it was believed that an inmate identified as Kyle Belgrove escaped with the group of men, however, prison officials say he was reportedly found in another cell during a prisoners headcount.
The other escapee has been identified as Michael Findley.
Police say the 8 prisoners they are searching for are: Kerry Valentino, Atiba Sealy, Joshua Janet, Olatunji Denbow, Stefon Austin, Brent Johnson, Michael Findley, and Mikhale Mohammed.
The T&T Police Service says an All-Points Bulletin has been issued for eight inmates who escaped from the Remand Yard at Golden Grove Prison in Arouca on Tuesday night.
Prison sources told Guardian Media the men escaped through a hole in the wall from their cell in the south upper block of the prison.
They were discovered missing at 8.40 am today.
A female visitor to the Maximum Security Prison in Arouca was yesterday arrested after she was found attempting to smuggle a live round of ammunition hidden in a pair of sneakers.
According to a police report, sometime yesterday the woman went to the prison saying that she was there to visit a 32-year-old inmate who is currently serving 24 months hard labour on a larceny offence.
The inmate is said to be a Jamaican-born chef who has a local address in Malabar.
Forty-five inmates are waiting on death row for the hangman's noose that will never come.
One of them has been on death row for 23 years.
Housing Minister Edmund Dillon, who fielded questions on behalf of the National Security Minister in the Lower House yesterday, made the disclosures in response to Opposition questions.
Death by hanging is part of this country's laws, but the Privy Council's ruling in the Pratt and Morgan case says it is inhumane to execute an inmate more than five years after sentencing.
Cabinethas approved ten psychologists and two pharmacists for prison officers at the Maximum Security Prison (MSP) in Arouca.
The MSP will also be provided with an upgraded alarm system.
Making the announcement Thursday was National Security Minister Stuart Young at the post-Cabinet media briefing at the Diplomatic Centre, St Ann's.