Pathogen+(Black+Plague)+HW+CH

=__The Black Plague__=




 * Come from the virus //yersinia pestis//
 * //Better known as the bubonic plague//
 * One of the deadliest pandemics in world history
 * Began in Central Asia
 * Spread to Europe by the 1340's
 * Killed about 75 million people worldwide
 * Approximately 25 million in Europe alone
 * Reduce the world's population in 1400 from about 450 million to as low as 350 million




 * It has been thought the virus has returned with every other plague in Europe
 * This is very unlikely though
 * The disease came originally from black rats that lived in soil
 * They were transported somehow to Europe and spread the disease
 * Symptoms:
 * Appearances of buboes (cause by internal bleeding) on the groin, neck, and armpit, which oozes out blood
 * Fever of 101ºF-105º
 * Headaches
 * Painful aching joints
 * Nausea
 * Vomiting
 * Mortality Rate: 35%