Paramedics who can spend hours treating Covid-19 patients in the back of an ambulance are calling for access to better personal protective equipment (PPE).
The College of Paramedics has written to Health Minister Robin Swann asking him to act to protect the massively overstretched workforce.
The organisation has warned the current situation is putting the lives of staff, patients and their families at risk, describing paramedics as potential "super spreaders".
Under current guidance, when a paramedic attends a call involving a patient with Covid-19 they should wear a surgical mask, visor, plastic apron and gloves.
However, given the pressures on the health service, crews can sometimes spend hours in an ambulance with a patient waiting to hand them over to hospital staff.
Paramedics also attend multiple calls during shifts and spend time in homes where they are potentially surrounded by people with the virus.
Rory O'Connor, chair of the College of Paramedics in the UK, wants paramedics to be allowed to risk-assess each individual call and decide whether they should wear enhanced PPE.
He said: "Our primary concerns at the moment are that we feel whilst the advice states it is safe to use level two PPE, the evidence isn't strong enough to suggest that it is appropriate in all settings, particularly in ambulance settings.
"We are worried about staff getting infected and we are calling for an urgent review of the evidence to be carried out.
"While that review is being carried out, we are calling for ambulance staff to be allowed to carry out risk assessments on a case-by-case basis, so where they feel there will be prolonged exposure with a Covid patient, they can use level three PPE.
"Staff are feeling quite vulnerable at the moment, they are going in and out of people's homes, where people may or may not have Covid-19.
"When the service is particularly struggling, they may spend hours in the back of an ambulance waiting to hand a patient over to the hospital.
"We aren't making a demand for level three PPE to be used on every call, just when the paramedic feels it is appropriate.
"This is about protecting staff and patients.
"It is also about reducing the number of paramedics who have to take time off work to isolate."
The Department of Health said Mr Swann had not received a letter from the College of Paramedics as yet.
Current guidance for paramedics provides advice on what action they should take to mitigate spending prolonged periods of time with Covid-19 patients.
In the event of a crew facing a delay in handing over a patient to hospital staff, paramedics are asked to minimise the number of staff with the patient and to avoid sitting face-to-face.
They are also advised to keep ventilation systems running, and where this is not possible they are asked to open the doors of the vehicle.
They should also decontaminate the vehicle frequently.
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