Can We Stop Whooping Cough?
BY: Jiameng Zhou
scientists developed a vaccine in the 1940s. After that, the infection began to disappear. Fewer than 5,000 cases were seen in the U.S. each year. Now, though, the disease is making a comeback. In 2012, there were more than 26,000 cases in the U.S. alone. More than 10,000 of those infected were children between the ages 7 to 12
the Scientists in 1940 make the Nursery,
December 27, 2012, and 1940