What is a plague epidemic? Who is most at risk for leprosy? How do armadillos spread leprosy? Why do armadillos have leprosy? How does leprosy affect the peripheral nervous system? What caused the Black Plague? What is the history of smallpox?
Plague is an infectious disease that can affect mammals and is caused by the bacterium Yersinia pestis, which is carried by rodents and fleas. Sunlight and drying can kill plague bacteria on surfaces, according to theU.S. Centers for Disease Control and Prevention. Humans and pets suspected to...
Plague: Plaque is an infectious disease caused by the bacteriaYersinia pestisand is transmitted by fleas. Plague causes fever, delirium, swollen lymph nodes and sometimes a respiratory infection. Answer and Explanation:1 A plague epidemic is an outbreak of plague where more people than normal are ...
Once a flea bites a rat infected with plague, the pathogen Y. pestis grows in its gut. After about two weeks, the bacteria block the valve that opens into the flea's stomach. The starving flea then bites its host, by now probably a new, healthy rat or a person, more aggressively in...
Plague is a serious disease caused by the bacteriaYersina pestis, which istransmittedfrom infected animals to humans by fleas. There are a number of differentclinical forms– bubonicplagueandpneumonic plaguebeing the most important. Bubonic plague is named after the presence of buboes, or infected...
noun.an epidemic disease that causes high mortality; pestilence. an infectious, epidemic disease caused by a bacterium, Yersinia pestis, characterized by fever, chills, and prostration, transmitted to humans from rats by means of the bites of fleas. Compare bubonic plague, pneumonic plague, septic...
5. Somebody left this on my chair. It's clever. 'Cause it forces me to either deal with the file or never sit down again. 有人把这个放我椅子上了,这一招很妙啊,逼得我只能先处理完这个病例才能坐下 6.-Department of Justice statistics show that it's a racially motivated form of punishmen...
The tuberculosis pandemiccontinues to kill over 1.5 million people annually. Despite the availability of effective treatment, the bacteria that causes tuberculosis is increasingly resistant to drugs used to treat it.15 The HIV pandemichas killed over 39 million people since 1982.16However, with the ava...
In the Middle Ages, the plague caused tens of millions of deaths across Europe in a series of outbreaks known as the Black Death. While the bacterial infection is still around today, it is far more rare in modern times and it can be treated. ...
Cholera, a diarrheal disease that kills about 95,000 people worldwide each year, is caused by V. cholerae. The bacterium Yersinia pestis, spread by fleas that bite rodents, was responsible for the Black Death. And Bacillus anthracis can form almost indestructible anthrax spores that lurk in ...