3.10.14.docx

5 Pages
87 Views
Unlock Document

Department
Anthropology
Course
ANTHRO 3560
Professor
Sattenspiel
Semester
Spring

Description
Plagues and Peoples  03/10/2014 The transmission of plague  Caused by a bacterium, Yersinia pestis  Rats are primary urban animal hosts  Transmission to humans in three main ways: Bite of infected rodent flea  Handling infected animal Inhalation of droplets expelled in cough by infected animal Disease progression (Bubonic plague) Incubation period 2­6 days Initial symptoms are fever, headache, general malaise  Followed in many cases by development of very painful, swollen, hot­to­the touch lymph nodes (bubo)  Mortality rate: 14% if treated; 50­60% if untreated  Septicemic and pneumonic plague  Septicemic plague Results when bacteria infect bloodstream Almost invariably fatal, often within one day of infection  Pneumonic plague  Respiratory transmission  Incubation period 1­3 days Overwhelming pneumonia, with high fever, cough, bloody sputum, chills Mortality =: >50% in treated cases, >95% in untreated cases  Distribution of plague  In US, 10­15 sporadic cases a year  Four corners  Last urban outbreak occurred in LA in 1924­25  Disease also found in Africa, Asia, and S. America  Great historical plague epidemics  The Plague of Justinian  Earliest clearly documented epidemic of bubonic plague and confirmed genetically to be Yersinia pestis Spread throughout Justinian empire  Originated in 541­2 in either Ethiopia or central Asian steppes  Carried from place to place by caravan traders, military troops, and ships  Mortality up to 10,000 each day, making disposal of bodies exceptionally difficult (10,000 may not be  correct, but numbers were high) Always began on coast and spread inland
More Less

Related notes for ANTHRO 3560

Log In


OR

Join OneClass

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

Sign up

Join to view


OR

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.


Submit