communicable disease Flashcards
what are pathogens?
microorganisms that can cause disease
what are communicable diseases?
disease can be spread and caught
how do pathogens spread?
air droplets, contaminated water, contaminated food, direct contact
give an example of how air droplets spread pathogens?
influenza virus droplets are expelled into the air after coughing or sneazing
give an example of contaminated water spreads pathogen?
cholera is spread when the bacteria from diarrhoe of someone ill with cholera contaminates drinking water and is consumed by other people
give an example of how contaminated food spreads pathogens
salmonella is spread through infected chikens being eaten by humans
give an example of how direct contact spreads pathogens
athlete’s foot is spread by walking barefoot on contaminated surfaces
what are tactics deployed to stop the spread of communicable diseases?
good hygiene,
kill vectors,
vaccination,
quarantine (only if very serious)