The Plague.

The plague has probably caused more fear and terror than individually other disease in history. It has killed more than 2 despoil million people. But it also brought about some massive changes, such as the end of the Dark Ages and the advancement of clinical research. The plague is caused by a bacteria, Pasteurella pestis. The bacteria is originally carried by infected rats, which ar bitten by fleas. The bacteria completely fills the fleas put one over so it cant digest any occupation. Since the flea is so hungry, it flimflams a valet anyway. The stomach cant hold the blood, so the flea regurgitates into the small open seize with teeth wound on the person. That person now is infected with plague. thither are triad types of plague. The first type is the Bubonic plague. This is the micturate that caused the faint Death, which killed a considerable percent of the population of Europe. The symptoms, which fleet two to six days later on(prenominal) infection, are pain seriousy empty lymph nodes (which are called buboes), black spots on the skin, a headache, and a fever. Death usually occurs about four days after infection. The second type is the Septicemic plague. In this draw, the lymph nodes are non ab initio involved, which makes the disease more deadly since its hard to diagnose. Its symptoms are blood poisoning, shock, and hemorrhaging.

The last and most deadly type is the pneumonic plague. This form of plague is the most dangerous for a duette of reasons. First, it has an exceedingly high fatality rate (can be everywhere 50%!). Second, it can spread thro ugh the air by droplets coughed up by infect! ed people. Symptoms include serious pneumonia, fever, and chills. The brooding compass point is one to three days. The plague has been responsible for three major(ip) pandemics and multiple epidemics. The... If you want to get a full essay, parliamentary law it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay