The background of the infamous bubonic plague

Two hundred years of recurring death immeasurably changed government, the arts, science, and religion.

The background of the infamous bubonic plague

For various reasons women and children suffer higher incidence of mortality from plague than adult men. They were not affected if they touched rats that were dead for more than 24 hours. Simond in the late s to suspect that fleas might play a role in the transmission of plague.

Bubonic plague history

Once these cells are knocked out, the bacteria can multiply unhindered. Plague is classified as a Category A pathogen , because it readily passes between people and could result in high mortality rates if untreated. The German plagues between and were equally devastating, and in , plague reduced the population of Marseille by 40 percent. Somewhere between 75, and , people eventually perished before the outbreak died down in People who have had contact with anyone infected by pneumonic plague are given prophylactic antibiotics. The cause of plague wasn't discovered until the most recent global outbreak, which started in China in and didn't officially end until The disease arrived on a merchant ship called the Grand Saint Antoine, which had picked up infected passengers during a journey to the Middle East. These plagues mainly killed children, who had no resistance to the disease. Blood Lungs Treatment Several classes of antibiotics are effective in treating bubonic plague. Butler, a respected authority on infectious diseases and organisms at Texas Tech University, was convicted of illegally possessing samples of Yersinia pestis. This is often referred to as the 'mortality rate'. The Republic of Venice, meanwhile, lost nearly a third of its population of , Life cycle of the Black Plague, as the bubonic plague is sometimes called.

Like the two previous outbreaks, this one also originated in Eastern Asiamost likely in Yunnan Province of China, where there are several natural plague foci. The discovery, published in Nature Communications on June 8,changes the origin of the disease as we know it. It now appears clear that human fleas and lice did not contribute to the spread, at least not significantly.

Stages of plague For hundreds of years, what caused plague outbreaks remained mysterious, and shrouded in superstitions.

what caused the black death

More recently, plague broke out in Madagascar incausing more than 2, cases.

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Bubonic plague