But Abbott has said that, after production resumes, it could take about two months before new formula begins arriving in stores. The company's factory has been closed due to contamination problems.
The count of pediatric cases under investigation has grown since the agency's last update, but most of the increase represents previous cases that are just now being reported.
President Biden has invoked the Defense Production Act to try to help with the infant formula shortage. Suppliers must direct needed ingredients to formula manufacturers before filling other orders.
Biden is also authorizing the Defense Department to use commercial aircraft to fly formula supplies that meet federal standards from overseas to the U.S.
Abbott, one of the largest formula-makers in the U.S., has reached an agreement with the government to bring a closed factory back on line. And the FDA is easing some restrictions on imported formula.
NPR's Rachel Martin talks to FDA Commissioner Robert Califf about February's shutdown of formula giant Abbott Nutrition, which led to a surge in demand that other formula makers struggle to meet.