resume manufacturing of Similac formulas at its plant in Sturgis.

The company also said that it increased production at other U.S.-based manufacturing plants and one in Ireland, and that it would supply the United States with more than eight million pounds of formula in August, an increase from the year before. But it noted it would take six weeks for the Similac product from the Sturgis plant to start to hit store shelves.

But some industry experts say it will take time for Abbott to gain back the market share it once had. “To be frank, there is a lot of consumer mistrust around Similac right now,” said Mr. Dittmeier of the W.I.C. program.

That could be a boon for Reckitt Benckiser, which has been running its formula manufacturing plants at full tilt all summer, hoping to hold on to the market share it has gained at Abbott’s expense. Its market share has climbed to nearly 60 percent from 35 percent before the recall, said Robert Cleveland, who oversees the Mead Johnson nutrition business at Reckitt.

“We remain committed to making as much formula as we can,” Mr. Cleveland said. “We continue to maximize our domestic manufacturing, running overtime and going 24/7.” He added that the company had received approval to bring in formula from its plants in Singapore and specialty formula from its facilities in Mexico.

Still, in late August, when Lori Sharp, a first-time mother in Port Hueneme, Calif., realized she was down to one container of Reckitt’s Enfamil Sensitive infant formula for her 3-month-old daughter, the formula was out of stock on Walmart.com.

Panicking, she scoured more websites and widened her geographic search. She eventually discovered a container of formula at a Target 40 minutes away in Moorpark, Calif. “I went into the store and they actually had four more, but their shelves were so bare,” Ms. Sharp said. “I bought all of them.”

In Georgia, some of the most acute shortages are in rural areas. Jennifer Kelly, who is the family services manager at the early Head Start program in Swainsboro, which is between Macon and Savannah, said trying to find formula earlier this summer had become a “daily chore.”

The 14 babies she watches drink seven different kinds of formula. She and her staff were often driving to Walmart, Walgreens or a local grocery chain or scouring Amazon for some of the more obscure brands.

“It’s not like it was a few months ago when the shelves were bare,” Ms. Kelly said. “I am hoping we are on the other side of this dilemma.”

When the formula shortage was at a crisis point in May, Ms. Robinson of Bucks County, Pa., created a Facebook group that connected parents around the country. The group, called Formula Hunters, does not exchange money to keep out profiteers who have been hoarding formula and seeking to resell it at a markup.

The group operates on the notion that a parent who buys a hard-to-find formula brand and sends it to another parent in the group will eventually be repaid when others do the same for them.

Formula Hunters now has 1,500 members, who are still actively helping each other locate formula. “This has been going on for so many months,” Ms. Robinson said. “The frustration has been high.”

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How Abbott Kept Sick Babies From Becoming a Scandal

But in any individual case, it can be hard to prove what caused an infection. The potentially deadly bacteria resides in dirt and water; studies have found it in kitchens. Because the bacteria can clump together in formula containers, it’s possible for a sample to test negative even if Cronobacter was in the powder that went into a baby’s bottle.

Nick Stein, a lawyer with a small practice in Indiana, recalled the first time he encountered a case involving contaminated formula. A woman walked into his office with her toddler, limp in her arms, and explained that the child had suffered brain damage after being fed formula. Mr. Stein negotiated a settlement. More cases followed, and they, too, resulted in settlements that required Mr. Stein and his clients to keep quiet.

In 2005, Mr. Stein received an email from Kimberly Sisk in rural Pisgah Forest, N.C. Her son, Slade, had suffered debilitating brain damage after consuming Abbott’s Similac powdered infant formula in 2004. Ms. Sisk, who lived in a mobile home and worked as a house cleaner, faced a lifetime of medical costs. In February 2007, Mr. Stein and a colleague, Stephen Meyer, sued Abbott in state court in North Carolina.

The ensuing seven-year battle would become a case study for how firms like Jones Day use their mastery of the legal system to grind down — and in some cases attack — plaintiffs who have limited money and time on their hands.

The first volley came in late 2007. Jones Day filed a motion seeking to remove Mr. Stein and Mr. Meyer from the case. The rationale was that, in an unrelated infant-formula case in Kentucky, Mr. Meyer had been in touch with an expert witness that Abbott had used in a different case. It turned out the expert had an ongoing relationship with Abbott. None of this had anything to do with Ms. Sisk’s case. But the trial judge concluded that the contact with the expert “constitutes the appearance of impropriety” and granted Abbott’s motion. An appeals court reversed the decision. Then, in 2010, the State Supreme Court upheld the initial ruling.

More than three years had passed since Ms. Sisk’s lawsuit was filed, and the case hadn’t progressed. Now she had no lawyers. Mr. Stoffel, the Abbott spokesman, denied that the company was trying to delay the legal proceedings, but Ms. Sisk was skeptical. “Time is on their side,” she said. “It behooves them to stretch it out.”

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Greg Steltenpohl, Pioneer in Plant-Based Drinks, Dies at 66

“Steve encouraged him to think outside the box and to look at the moment as one of an opportunity for innovation and progressive thinking and not as a defeat,” Eli Steltenpohl said. “That certainly gave my dad some necessary fire to pull through.”

Odwalla never fully recovered. With the company on the verge of bankruptcy, its founders were forced to sell a controlling interest to private equity firms.

The Coca-Cola Company acquired Odwalla in 2001 for $181 million, then shut it down last year. In doing so, Coke cited a need for corporate efficiencies and a consumer preference for less sugary drinks, though Mr. Steltenpohl told The Times in 2016 that Coke had never maximized the potential of the brand.

“This is not what my dad envisioned for Odwalla,” his son said. “But that made the success of Califia that much sweeter.”

In 2010, Mr. Steltenpohl was planning to start another juice company, but he switched gears when he saw the coming wave of nondairy milk alternatives made from nuts, coconut, oats and soy. While he was recovering from his liver transplant surgery, the hospital gave him a protein drink; he found it so distasteful, he told The Times, that he was inspired to do better, and he was soon churning out premium almond milk, ready-to-drink coffees and barista blends.

He named the new company for Queen Califia, a character in a 16th-century Spanish novel who became the spirit of colonial California. Having learned hard lessons from Odwalla, he insisted on tight quality control, less sugar and more nutrition, and on keeping an independent ethos. By 2017, Califia’s bottled coffee was No. 1 in the United States.

Greg Andrew Steltenpohl was born on Oct. 20, 1954, in Homestead, Fla. His mother, Benita (Desjardins) Steltenpohl, was a culinary entrepreneur and chef. His father, Jerome, was a civil engineer who moved the family in the 1950s to Southern California, where he worked for defense contractors. Greg grew up in the San Bernardino area.

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