SAS 13 Lecture Notes - Lecture 21: Jonas Salk, Poliomyelitis, Unicef
22 Dec 2019
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Too much sanitation poliomyelitis polio caused by virus paralysis. Fdr contracted disease nerves getdamaged and stop sending messages to muscles later b c not poor sanitation infants t children good sanitation kidsgot it exposed as a baby1young child. 35,000 people in us everyyear vaccine developed by jonas salk eradicated in 1994 in americas. Who tells how many cases of polio per week in developing countries research to. Why are there diseases pathogens are parasites parasites most common life form on earth. 5 10 bacteriophages1ml in sea water living organisms represent a resource saphrobes grow on dead organisms decomposers parasite before organism dies. P s i have to compete with other parasites ga l earlier death of the host aggressive parasitism extinction of parasite. J commensal but on skin pathogen gives us vitamin k tt live in our intestines t 0 t vitamin k for blood clotting necessary opportunistic t causes 90 of uti"s.
