Material that appears to show a rodent on a lighting device in an Irish hospital emerged.
A 27-second video on social media showing a mouse or rat running on a long rectangular beam, presumably in the emergency department of the University Hospital in Galway, was published on Friday.
The poster said that his 83-year-old aunt had been in a chair, then in a cart, for more than 10 hours
They said he had seen "a mouse in the light" and thought he was hallucinating at first.
The publication added: "She was not shameful conditions for staff and patients."
The HSE, Leo Varadkar, Simon Harris and the Saolta hospital group were all tagged in the mail.
Responding to this, another man said: "I saw a jog through the corridor around 3 am last Sunday near A & E."
HSE and the Saolta group were contacted for comments.
Meanwhile, the number of people in cars who were expecting treatment yesterday was more than 50% less than the same day of 2017, but it has been predicted "an extremely busy time for health services".
The latest figures from the Irish Nurses and Midwives Organization (INMO) found that there were 166 people in cars in emergency departments on Friday.
That compares with 347 patients awaiting treatment on December 28, 2017.
Meanwhile, a separate report from the Health Service Executive found that 111 people were waiting for a hospital bed at 8 am yesterday, a fall of almost 51% on the same day in 2017.
Health Minister Simon Harris suggested that temperate weather and low flu numbers contributed to the lower numbers of streetcars, but insisted that "so is the investment we made."
However, he said he said the Government and the HSE have prepared for "an extremely busy time for health services" in the coming weeks
He said: "We had 240 additional hospital beds this year and we will bring another 145 hospital beds during the winter. "
The number of cases of flu is expected to increase in the coming weeks. and a large increase in the number of patients in cars is anticipated.
INMO General Secretary Phil Ni Sheaghdha told RTE News: "The HSE has confirmed that there will be and expects to open more beds in January. [Whatever] about beds need staff. We do not believe that the staff will be there. We believe that this will be a great challenge. "
The government has asked the public to only visit the Emergency Departments when emergencies occur, while it has also been strongly suggested that people should get vaccinated against the flu.
It happens when the health service faces the possibility of a big strike in the New Year.
Hospital workers are preparing for a vote for an industrial action and if the members of SIPTU Those who are employed as support staff in major hospitals decide to attack could cause a major disruption.
Representatives of the largest union in the country confirmed that more than 7,000 support grade employees working in major hospitals and others health centers across the state will be put to a vote on strike in the coming weeks.
The decision follows a Government's refusal to grant an increase granted to them through an independent work evaluation process that was concluded under the terms of the Public Service Stability Agreement.
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