Former Secretary of Agriculture Tom Vilsack Thomas James VilsackUSDA: Farm-to-school programs help schools serve healthier meals OVERNIGHT MONEY: House poised to pass debt-ceiling bill MORE said Monday that a "cascading series of events" was disrupting the U.S. food supply chain and threatened to impact millions of Americans.

In an interview with CNN, Vilsack pointed to a shutdown of public schools, universities and even some restaurants that served as a source of food for many Americans that had since been "redirected" amid the coronavirus outbreak.

"Well, it's a cascading series of events here that's really disrupting the U.S. food chain," Vilsack said. "You start ending school lunch programs, universities shut down, food service shuts down..at the end of the day you've basically got a tremendous amount of the overall supply of food having to be redirected."

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"[This is] at a time when people are feeling a little bit of a pinch, in terms of the economy. Many unemployed people can't access the grocery store [or] go to a food bank," he added.

Vilsack also pointed to grocery stores and other food service businesses being unable to fully operate at capacity due to workers getting sick or fearing coming to work due to the spread of the coronavirus.

"And now you have the cascading event of these facilities not having enough workers, or having sick workers, and having to shut down," he said.

Former Agriculture Secretary Tom Vilsack says there is a “cascading series of events” disrupting the US food chain due to coronavirus. https://t.co/v0RQe751qU pic.twitter.com/bSivmIfUfh — CNN Newsroom (@CNNnewsroom) April 13, 2020

Vilsack previously served as secretary of agriculture for the duration of former President Obama's terms in the White House, and before that was governor of Iowa for eight years.

President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE held a call with top executives from the food service and retail industries in March, where they discussed efforts to keep U.S. supply chains from being disrupted.

States around the country have also classified grocery stores as essential businesses as others are shuttered due to efforts to prevent the virus from spreading, while Minnesota has taken things a step further and classified grocery store employees as "emergency tier 2" workers, mandating that they be granted access to free child care during the epidemic.