The FDA has just sent new warning letters to three formula companies, red-flagging quality control concerns.

The Federal Trade Commission is investigating baby formula makers like Abbott Laboratories for possible collusion.

Abbott is being investigated in relation to their infant formula business.

One of FDA's top food bosses, Frank Yiannas, has announced he is resigning from his post, in the wake of last year's infant formula shortage.

The Justice Department is investigating conduct at the Abbott infant formula plant in Sturgis, Michigan, a source familiar with the matter told ABC News.

The Department of Justice has launched a criminal investigation into the Michigan plant that was at the center of the national baby formula shortage.

Abbott announced a new recall of infant formula due to faulty bottle cap seals at their Columbus, Ohio, plant.

Abbott voluntarily pulls 2-ounce bottles of its most popular Similac brand manufactured at its Columbus, Ohio, facility.

Abbott announced it is voluntarily recalling two-ounce bottles of Similac formula because some bottle caps may not be completely sealed.

The FDA's limited mandate and resources prevent them from managing "supply chain issues and shortages of critical food products," the review said.

Abbott is announcing their Sturgis, Michigan plant is restarting production of their largest and most popular infant formula, Similac.

Other infant formula makers besides Abbott have faced Cronobacter challenges, ABC News has found.

Approximately 750,000 cans of Danone formula is set to be shipped from Ireland to the U.S. in July, the FDA announced.

Less than two weeks after the Abbott baby formula factory in Michigan was reopened, it has closed again due to flooding in the region.

Abbott's plant was offline for roughly four months after serious quality control and contamination concerns, and had restarted production earlier this month.

The Michigan facility, which was offline for roughly four months over quality control and contamination concerns, has been hit by heavy rain, thunderstorms, hail and power outages.

Bubs Australia struck a deal with American grocery chains Kroger Co. and Albertsons Companies to import the formula under the fourth flight of Operation Fly Formula.

Bubs Australia struck a deal with American grocery chains to import the formula under the fourth flight of Operation Fly Formula, the company said.

The FDA said it found no evidence linking those deaths to the Abbott plant in Sturgis, Michigan.

More than 3.2 million bottles' worth of formula will be airfreighted in on planes donated by Delta Airlines in the coming weeks, ABC News is first to report.

Scientists are using bioengineering to create new baby formula that they hope will be a better substitute for breastmilk.

Abbott and FDA were alerted to a whistleblower complaint about the Sturgis formula plant's issues as far back as February 2021

As Operation Fly Formula continues and Abbott reopens its Michigan plant, parents have yet to notice significant changes regarding the nationwide baby formula shortage.

Amid ongoing national shortages, baby formula producer Abbott Nutrition reopened its Michigan plant after it was shuttered by the FDA nearly four months ago.

Abbott Nutrition, one of the largest makers of infant formula in the U.S., reopened its Michigan plant Saturday.

Four months after the FDA shut down the country’s largest baby formula manufacturer, Abbott Nutrition will reopen its Michigan plant.

Abbott says it’s prioritizing the production of specialized formula at its Sturgis, Michigan facility.

It will be another six to eight weeks until the product returns to shelves with a real impact on families, according to Abbott.

A shipment worth $33M of infant baby formula is coming to the U.S. after President Joe Biden announced Operation Fly Formula.

The White House said it has made a commitment to import more than 94 million bottles of formula as 10 states are reported being out-of-stock of at least 90% baby formula.

President Joe Biden has raised new questions about when he learned about the baby formula shortage and whether he could have acted sooner.

ABC News' Maggie Rulli reports on an Israeli lab working to create a potential alternative to baby formula using components of breast milk.

The FDA announced more than a million cans of formula will soon be flown into the U.S.

Trucks retrieved the formula and transported them to warehouse shelves.

Second shipment of formula arrives from overseas as lawmakers hear troubling testimony on the slow response to the crisis and whistleblower allegations.

ABC News Senior national policy reporter Anne Flaherty on the FDA admitting it was "too slow to act" after a whistleblower raised concerns about Abbott Nutrition's Michigan plant.

Top industry executives and federal regulators faced angry lawmakers on Capitol Hill Wednesday, as another 100,000 pounds of formula arrived in the U.S.

The first military flight from Europe carrying nearly 80,000 pounds of formula arrived in the U.S. Officials said children with allergies get first priority.

A variety of long-term and short-term factors led to empty shelves for parents searching for baby formula.

Senior national policy reporter Anne Flaherty discusses the nationwide baby formula shortage.

Mothers across the U.S. have launched grassroots efforts to respond to the national baby formula shortage.

The order empowers the city to prevent price gouging as inventory continues to decline.

The first batch of imported infant formula under “Operation Fly Formula” arrived from Germany to Indiana on Sunday.

The first flight of "Operation Fly Formula," which was carrying more than 75,000 pounds of imported baby formula, landed in Indiana.

The desperately needed baby formula is set to arrive in Indiana and provide nutrition to infants unable to digest formula made from cow’s milk.

More than 71,000 pounds of specialized formula were loaded by U.S. troops in Germany onto a military cargo plane.

Abbott's CEO apologizes for role his company played in the ongoing baby formula shortage in a new op-ed.

The Pentagon is flying the first shipment of foreign-imported baby formula to the U.S., the White House confirmed.

The first shipment will be the equivalent of up to 1.5 million 8-ounce bottles.

Baby formula from Switzerland is set to arrive in Indiana in the coming days, as the Biden administration works to address a nationwide baby formula shortage that's hit some regions particularly hard.