Cholera

• curved rod shape with a single flagellum.
• symptoms are stomach cramps, vommiting, fever and diarrhoea.

how cholera causes diarrhoea

• cholera toxin enters e.c
• activates chloride ions
• creates a chloride ion channel out of the cell
• lowers w.p
• water is lost

treatment is ORS 

• sugars are a.t across the gut wall
• absorbtion of H2O by osmosis