From the plague to polio ... 10 diseases you (wrongly) thought were gone

By Sophie Eastaugh and Meera Senthilingam, for CNN

Updated 1827 GMT (0227 HKT) April 10, 2017

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In the 19th century, scarlet fever was a common killer in Europe. In 2016, nearly 20,000 cases were reported in the United Kingdom -- the biggest increase in 50 years.<br /><br />Scarlet fever is just one disease that many have forgotten but that is by no means gone, despite our best efforts to eliminate it.
Photos: 10 diseases you thought were gone
In the 19th century, scarlet fever was a common killer in Europe. In 2016, nearly 20,000 cases were reported in the United Kingdom -- the biggest increase in 50 years.

Scarlet fever is just one disease that many have forgotten but that is by no means gone, despite our best efforts to eliminate it.
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