(CNN) -- Marking the second Ebola death in the United States, Dr. Martin Salia died at around 5 a.m. ET Monday, according to Nebraska Medicine spokesman Taylor Wilson.
A legal permanent resident of the U.S., Salia was working in West Africa when he contracted the virus.
Salia arrived Saturday at Nebraska Medical Center in Omaha. The hospital tweeted Monday that he was 'extremely critical' when his treatment began and 'unfortunately, despite our best efforts, we weren't able to save him.'
Salia was suffering from advanced symptoms of Ebola, including kidney and respiratory failure, health officials said.
CNN's Shawn Nottingham contributed to this report.
Entities 0 Name: Salia Count: 3 1 Name: Nebraska Medicine Count: 1 2 Name: Dr. Martin Salia Count: 1 3 Name: Taylor Wilson Count: 1 4 Name: U.S. Count: 1 5 Name: United States Count: 1 6 Name: Nebraska Count: 1 7 Name: West Africa Count: 1 8 Name: CNN Count: 1 9 Name: Shawn Nottingham Count: 1 10 Name: Omaha Count: 1 Related 0 Url: http://ift.tt/14z9zg4 Title: Surgeon with Ebola being treated in Nebraska 'extremely ill' Description: OMAHA, Neb. -- A surgeon who contracted Ebola while working in Sierra Leone was in extremely critical condition Sunday at a Nebraska hospital, his doctors said. Dr. Martin Salia, who was diagnosed with Ebola on Monday, arrived in Omaha on Saturday to be treated at the Nebraska Medical Center's biocontainment unit that has successfully treated two other Ebola patients this fall.
