Defense Against Disease

Defense Against Disease

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Storyboard Text

  • This is Bob, he knows about the pathogens and is vaccinated apropiately...
  • This is Bob and Ben and they are planning to go to a developing country in Africa.
  • ...And this is Ben who does not know about pathogens so he has not been vaccinated
  • Hey Bob, how can I protect myself from Malaria?
  • There are many ways that you can protect yourself from variety from diseases.
  • For example, our skin acts like a barrier to foreign bodies and pathogens.
  • Your body has a range of defense systems that are part of the innate immune system ( a non-specific defense system which stops all pathogens).  These include skin, tears, stomach acid, blood clot, mucus, cilia, coughing, sneezing and your saliva.
  • But these pathogens can still get into the body through your: mouth, eyes, ears, skin, cuts/bites,  and through your genitals.
  • In Africa, there are various ways that pathogens can spread like through: air, direct contact, contaminated food and drink, breaks in skin and vectors (animals that carry diseases). 
  • Is there anything I could do to protect myself?
  • There are many ways to protect yourself.
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