1.   Cholera is caused by a bacterium that thrives in plankton in brackish water and in estuaries.

2.   Bacteria that cause cholera have been found in several regions of Ukraine, health officials said Wednesday.

3.   Cholera is caused by bacteria that proliferate in contaminated water.

4.   Cholera is caused by a bacteria transmitted by human feces and carried by tainted water.

5.   Cholera is caused by consuming water or food contaminated by bacteria.

6.   Cholera is caused by a bacteria in the feces of infected humans.

7.   Cholera is caused by a bacteria transmitted by human feces.

8.   Cholera is often caused by food and water contaminated with feces.

9.   Studies have shown a strong link between the El Nino phenomenon and Vibrio cholera, the bacteria that causes cholera.

10.   The bacteria or vibrios that cause cholera were found in Crimea, the Azov Sea city of Mariupol and several other locations in Ukraine in June.