An ambulance service has warned paramedics are being put at risk because people are failing to disclose that they have coronavirus symptoms.
Those calling 111 or 999 are not being truthful with call operators through fear an ambulance won't be sent.
This means frontline medics are put in an "incredibly unfair" situations, the Welsh Ambulance Service has said.
The service insists help would be sent either way, but people need to admit if they may be suffering from Covid-19, reports NorthWalesLive.
It says if callers are open and transparent it can better direct patients to the most appropriate care and help protect crews, some of who are attending incidents without the proper protective equipment.
In a video message to the public shared on social media, Lee Brooks, the trust's director of operations, said: "Right across our organisation, staff are working tirelessly to ensure we can continue to provide you the best possible care as we respond to Covid-19.
"This is uncharted territory for our generation, but our plans continue to develop as we work with our partners to ensure that we deliver care as safely and effectively as possible.
"I have a plea for the wider public at this time.
"Our teams operating in your community are reporting that they arrive at the scene of an incident, possibly at your home, to discover that callers have withheld information about their symptoms.
"Some of you have told us that you were concerned that, had you been honest, an ambulance would not have been sent.
"We understand your concerns but I want to make a couple of things clear.
"Firstly, we will always send an ambulance where it is warranted, but this means relying on what our call handlers are told at the point that you call us.
"If you don’t give us accurate information, you risk the welfare of the people whose job it is to care for us all.
"This is incredibly unfair on our staff, as it means that their right to enter your home prepared has been removed.
"Personal protective equipment is worn by our staff to protect them from contracting the disease.
"I must ask everyone who calls either 111 or 999 to be honest with us about what’s wrong with you and allow us to signpost you to the right care.
"These are difficult times for us all, but please don’t put our staff in harm’s way when they just don’t need to be.
"Please heed the official advice from government and stay at home, protect the NHS, save lives."
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