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The Black Death was a bubonic plague pandemic that occurred in Europe from 1346 to 1353. It was one of the most fatal pandemics in human history; as many as 50 million people [ 2 ] perished, perhaps 50% of Europe's 14th century population. [ 3 ]
Bubonic plague is one of three types of plague caused by the bacterium Yersinia pestis. [1] One to seven days after exposure to the bacteria, flu-like symptoms develop. [1] These symptoms include fever, headaches, and vomiting, [1] as well as swollen and painful lymph nodes occurring in the area closest to where the bacteria entered the skin. [2]
One, it did not seem to spread throughout all of China but only in certain provinces and regions, unlike in Europe, despite its relatively dense population and integrated economy. Two, there are no descriptions of the symptoms of the Black Death. Three, the timing does not seem to coincide with the spread of the Black Death elsewhere. [11]
Yersinia pestis seen at 2000× magnification. This bacterium, carried and spread by the flea, is generally thought to have been the cause of millions of deaths. [2]Several possible causes have been advanced for the Black Death; the most prevalent is the bubonic plague theory. [3]
Genotyping showed that it was [at that time] a newly evolved strain, ancestor of all modern strains and proved the Black Death was bubonic plague. Modern medical knowledge suggests that because it was a new strain, the human immune system would have had little or no defence against it, helping to explain the plague's virulence and high death rates.
The Black Death in the 14th century was perhaps the most infamous plague epidemic, killing up to half of the population as it spread through Europe, the Middle East and northern Africa. It began ...
The Black Death (Polish: Czarna śmierć), a major bubonic plague pandemic, is believed to have spread to Poland in 1351. [1] The region, along with the northern Pyrenees and Milan , [ 2 ] is often believed to have been minimally affected by the disease compared to other regions of Europe .
The plague has infected at least a handful of people in the U.S. every year for as long as the country has been around.