Waterborne Hazards

Cards (14)

why are water borne natural disasters so significant?
they have a much greater frequency
what are biohazards within water preventing from being achieved?
the UN sustainable development goal number six
what is cholera?
an acute infection of the intestines
what causes cholera?
the ingestion of water or food which contain the bacteria, Vibrio cholerae - this settles in the intestine and secretes toxins which cause diarrhoea and dehydration
how many cholera pandemics have there been?
seven
which bacterium causes typhoid fever?
Salmonella typhi
what do the symptoms of Typhoid fever include?
fever, fatigue, constipation and diarrhoea
where does legionella bacteria occur?
in freshwater
where do legionella bacteria present a threat?
when they grow in water systems within buildings
how does legionella bacteria get from water systems to humans?
showering in a building with legionella bacteria creates an aerosol that causes you to breathe in the bacteria
what does breathing in legionella bacteria cause?
legionnaires disease - a serious type of pneumonia
where is cyanobacteria found?
freshwater and marine environments
what is cyanobacteria also known as?
blue green algae
what are cyanobacteria blooms caused by?
nutrient pollution and water temperature