The family of a Walmart Inc. employee who died after contracting COVID-19 is suing the company, claiming they failed to adequately screen and protect workers from the virus.

The suit was filed in Illinois state court on Monday by the estate of Wando Evans. They say the Walmart store south of Chicago was not properly cleaned and employees did not receive protective equipment like masks, gloves or antibacterial wipes.

Evans died March 25 and another employee from the same store died four days later, says the complaint.

Walmart says they had conducted a “deep-cleaning of key areas” in that sore, which has passed a health department inspection and a separate third-party review over the last week, according to a statement provided by a spokesman.

“We have taken steps across the country to protect our associates and customers, including additional cleaning measures, installing sneeze guards at registers, placing social distancing decals on the floors and limited the number of customers in a store at a given time,” the company said.

The lawsuit filed accuses the company of negligence and wrongful death in violation of Illinois law.

According to the complaint, Walmart did not follow guidelines issued by the Centers for Disease Control and Prevention, and the U.S. Department of Labor, for maintaining safe workplaces such as implementing social distancing.

The store hired new workers in an expedited process without giving them proper screening for symptoms of the virus, says Evans’ estate. Their lawyer, Tony Kalogerakos, said that the lawsuit was the first wrongful death case filed in Illinois on behalf of a person who died from the virus.

“The Centers for Disease Control has designated Walmart stores as ‘high-volume retailers,’ making them responsible for taking additional precautions to protect employees and customers from the spread of COVID-19,” he said.

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