4 Pages
Unlock Document

University of Toronto Scarborough
Health Studies
Caroline Barakat

Cholera Pettenkofers theory there was a factor in the air, called x, but x could not cause disease by itself. What was required, he said, is factor y, which was to be found in the soil. By itself, y too did not cause disease, but when x got into the soil and united with y, it gave rise to z, a miasma. (caused cholera) He believed that cleaning up water, as well as food and fresh air would improve health. Louis Pasteur (1822-2895) microbes (yeasts, bacteria and protozoa) cause disease in animal and humans, but they are involved in decay and fermentation These microbes killed of silkworms Pasteurization method for reducing spoilage by heating and then cooling Robert Koch (1843-1910) along with his colleagues identified the microbial agents responsible for anthrax, cholera, tuberculosis, diphtheria, and tetanus. Identified causative agent for microbial0induced disease called Kochs postulates Kochs postulates parasite occurs in every case of the disease - parasite does not occur in other diseases - After isolation and repeated growth in pure culture, the parasite is able to produce the same disease when introduced into a healthy animal Symptoms diarrhea leading to shock, producing rice water stools, vomiting, convulsions, and muscle cramps, but little abdominal pain. Origin of word cholera is a Greek word meaning gutter of a roof. Or Hebrew and Arabic words choleh rah meaning bad illness Cholera is a water or food borne disease that does not manifest itself until the germ enters
More Less

Related notes for HLTB21H3

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.