The product was sold through distributors in Arizona, California, Colorado, Florida, Georgia, Illinois, Maryland, Michigan, Minnesota, Pennsylvania, Rhode Island and Wisconsin.
Stocks are edging lower in the early going on Wall Street as U.S. markets reopen for trading after the Christmas holiday. The S&P 500 fell 0.2% in the first few minutes of trading Thursday.
The most up-to-date data from the CDC, which was released in early November, showed Pennsylvania and New York had reported the most cases of whooping cough at more than 2,000 each. Ohio, Wisconsin, ...