[DOC] [TLE] Rats and fleas off the hook: humans passed Black Death to each ... [PAR] Mar 30, 2014 ... Rats and fleas off the hook: humans passed Black Death to each other ... They 
found the medieval strain was no more virulent than the modern... [DOC] [TLE] Black Death backtrack: Don't blame the rats, the plague was 'spread ... [PAR] Aug 18, 2011 ... Instead, the blame for passing on the disease that wiped out a third of the ... 'Rats 
were carriers but they also died from bubonic plague. ... 'This disease appears to 
spread too rapidly among humans to be something that must .... gala as they're 
seen giving each other a very amorous goodbye 'Pals' for years. [DOC] [TLE] The Black Death: facts about where, when and how it spread, and ... [PAR] Nov 19, 2014 ... A: In the Middle Ages the Black Death, or 'pestilencia', ... A: The disease spread 
from animal populations to humans through the agency of fleas from dying rats. ... 
A: Symptoms included swellings  most commonly in the groin, armpits and .... 
Rats were not as common in Europe as they're made out to be. [DOC] [TLE] Transmission | Plague | CDC [PAR] Sep 14, 2015 ... Many types of animals, such as rock squirrels, wood rats, ground squirrels, ... 
Humans are usually more at risk during, or shortly after, a plague epizootic. ... 
This form of exposure most commonly results in bubonic plague or ... If these 
bacteria-containing droplets are breathed in by another person they can... [DOC] [TLE] What Caused the Black Plague, and Are We In Danger? [PAR] Apr 6, 2014 ... The black rat can be infected with the black plague and spread the ... are finding 
out what they thought they knew about the black plague isn't ... People who are 
bitten by infected fleas generally develop the bubonic form of the plague. ... 
plague and airborne transmission, but rather to consider the human... [DOC] [TLE] Plague, Plague Information, Black Death Facts, News, Photos ... [PAR] But via those fleas it can sometimes leap to humans. ... Most infamous of all was 
the Black Death, a medieval pandemic that swept through Asia and Europe. ... 
The disease is usually transmitted by the rat flea, Xenopsylla cheopis. ... Victims 
are so overwhelmed that they're more or less poisoned to death as the bacilli 
gather... [DOC] [TLE] Medieval Black Death Was Airborne, Scientists Say - History in the ... [PAR] Apr 1, 2014 ... Believed to be bubonic plague, spread by infected fleas carried on rats, the ... 
Therefore, rather than bubonic plague, which is transmitted to humans through 
bites from infected rat fleas, they concluded that this ... there were mostly poor 
people who suffered from general ill health. ... You're almost done! [DOC] [TLE] 1320: Section 6: The Black Death [PAR] This epidemic now known as the "Black Death" was an outbreak of bubonic 
plague .... All in all, the bubonic plague is fundamentally a rat disease since it 
does not ... of Plagueits pathogenrather, just like human hosts, they are 
victims of the disease. ... Death usually follows soon afterwards, most often from 
septicemia... [DOC] [TLE] Theories of the Black Death - Wikipedia [PAR] Theories of the Black Death are a variety of explanations that have been 
advanced to explain ... The brown rat was not as prone to transmit the germ-
bearing fleas to humans in ... The bubonic plague was the most commonly seen 
form during the Black ... In this case they are referred to as secondary forms of the 
disease. [DOC] [TLE] The History of Plague  Part 1. The Three Great Pandemics - JMVH [PAR] The Black Death of 1347 originated in Asia and spread to the Crimea then 
Europe and ... the plague over long distances as they were carried by rats and by 
humans ... century and did not re-emerge as a major epidemic until the 14th 
century. ... and incanting hymns and prayers as they passed from town to town.17
, 19, 20. [DOC] [TLE]

Question: They're what usually passed the Black Death from rats to humans
Answer: Fleas