Natural History and Pathogen strategy

Natural History and Pathogen strategy

1. Influenza

   • Influenza A and B are both caused by a Virus
   • Symptoms include chills, fever, malaise, headache
   • 3-5 million people get the flu virus and the deaths are 250,000-350,000 and these deaths are either extremely young or elderly
   • You are highly infectious before you are aware that you have it
   • Acute strategy: Short term duration but high infectivity.

2. Candida Albicans

   • Caused by a fungi
   • Part of the normal microflora, meaning it can become an opportunistic pathogen
   • Causes a disgusting white rash that itches.
   • The disease is caused by overgrowth* and the disease load ie number of Candida increases

3. Cryptosporidium

   • Protozoan parasite that lives in water
     • Can not be killed by chlorination
   • Causes diarrhea is self-limiting in immunocompetent
   • Is chronic, acute onset, asymptomatic and humans are not a natural reservoir

4. Mycoterium Bacterium

   • Causes TB
   • Chronic infection and acute onset as well as a latent period
   • Body cant get rid so walls of infection area