CNN Video: How Cholera Transmission Was Deciphered in 1854

The seventh cholera pandemic began in 1961 and still affects 3-5 million people each year, killing 120 000 http://goo.gl/bz07X



CNN Video: Cholera deciphered, 2:19 min. Transmission of cholera was discovered in London in 1854. CNN's Atika Shubert reports.