Nearly 40 babies in states including Massachusetts, Maine and Rhode Island have now been sickened in an infant botulism outbreak tied to contaminated formula, federal health officials say.

The Food and Drug Administration on Wednesday reported 39 cases of confirmed or suspected illness in 18 states among babies who consumed ByHeart formula since August. The most recent illness occurred on Nov. 19.

Stream NBC10 Boston news for free, 24/7, wherever you are. WATCH HERE

No deaths have been reported in the outbreak, which was announced Nov. 8.

ByHeart, a New York-based manufacturer of organic infant formula, recalled all its products sold in the U.S. on Nov. 11. The company, which accounts for about 1% of the U.S. infant formula market, had been selling about 200,000 cans of the product

See Full Page