Cholera is one example of a transmissible disease. Define the term transmissible disease.
Cholera is spread in contaminated water. State two ways water can be treated to stop the spread of cholera.
Calculate the percentage fall in the number of cholera cases from 2014 to 2015. Show your working and round your answer to the nearest whole number.
State the name of the type of organism that causes cholera.
Cholera causes diarrhoea. Describe what is meant by the term diarrhoea.
Outline the treatment for the symptoms of cholera.
Complete the sentences using words from the list to explain why bacteria are used. Each word may be used once, more than once or not at all. Bacteria are useful in biotechnology and [BLANK] engineering because of their [BLANK] reproduction rate and their ability to make [BLANK] molecules.