drinking or washing in water that has been contaminated by infectiousfaeces
symptoms of cholera
vomiting , diarrhoea
how to reduce incidence of cholera
improved sanitation , access to clean water
what is ebola caused by
ebola virus
how does ebola spread
direct contact with infected bodily fluids , e.g semen
what are the symptoms of ebola
fever , diarrhoea , vomiting , internal bleeding
how do you reduce transmission of ebola
improved hygiene , isolating infected individuals , sterilisation of outbreak areas
what are stomach ulcers caused by
helicobacter pylori bacteria
how are stomach ulcers spread
transmitted orally by eating infected food or drinking infected water
what are the symptoms of stomach ulcers
stomach pain , vomiting , nausea
how to reduce transmission of stomach ulcers
access to clean water , improved hygiene , improved sanitation
what is malaria caused by
the protist plasmodium
what are the symptoms of malaria
red blood cell and liver damage, flu like symptoms
how is malaria spread
spread by mosquitoes which pick up the plasmodium protist when feeding on the blood of the infected organism and transmit malaria to other organisms when biting them
how to reduce malaria
bug repellent spray , mosquito nets , cover arms and legs
what causes chalara ash dieback
caused by a fungus that infects ash trees
how is chalara ash dieback spread
spread via airborne spores which are carried by the wind ,
symptoms of chalara ash dieback
cause dark lesions on bark and blackened leaves which will eventually die
how can the transmission of chalara ash dieback be reduced
control the movement of ash trees , kill infected plants , replant with different species
what is TB caused by
mycobacterium tubercolosis
how is TB spread
spread by droplet infection
symptoms of TB
lung damage , chesty cough , wheezing
how to reduce tb transmission
improved hygiene , infected individuals avoid crowded areas , increased ventilation in the individuals home