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Joannes Zacharias Actuarius was a Byzantine doctor in Constantinople
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but fleas can transmit the disease to people. Once people are infected, they infect others very rapidly. Plague causes fever and a painful swelling of the lymph glands called buboes, which is how it gets its name. The disease also causes spots on the skin that are red at first and then turn black.
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any of a number of diseases characterized by fever and skin spots.
cerebrospinal meningitis.
typhus. -
Smallpox was an infectious disease caused by either of two virus variants,
Infection with smallpox is focused in small blood vessels of the skin and in the mouth and throat before disseminating. In the skin it results in a characteristic maculopapular rash and, later, raised fluid-filled blisters. -
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The pneumonic plague was much more dangerous than the bubonic plague. This variation of the disease affected the host's respiratory system and was an airborne disease.
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Paracelsus was one of the prime movers in the shift away from superstition and dogma in medicine, causing Renaissance physicians to rethink how they approached illness.
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published an exquisitely illustrated anatomy text. With knowledge based on extensive dissection of human cadavers, he presented the first largely accurate description of the human body.
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This would have been enough to exclude him from the scientific community of his time completely. Yet with skill, diligence, an endless curiosity, and an open mind free of the scientific dogma of his day, Leeuwenhoek succeeded in making some of the most important discoveries in the history of biology. It was he who discovered bacteria, free-living and parasitic microscopic protists, sperm cells, blood cells, microscopic nematodes and rotifers, and much more. His researches, which were widely circ
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Cholera was a greatly feared disease. Caused by contaminated water, it could spread with speed and with devastating consequences. Not for nothing did the disease get the nick-name “King Cholera“. Industrial Britain was hit by an outbreak of cholera in 1831-32, 1848-49, 1854 and 1867. The cause was simple – sewage was being allowed to come into contact with drinking water and contaminating it. As many people used river water as their source of drinking water, the disease spread with ease.
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Robert Heinrich Herman Koch was a celebrated German physician and pioneering microbiologist. The founder of modern bacteriology
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Sir Alexander Fleming, FRSE, FRS, FRCS was a Scottish biologist, pharmacologist and botanist. He wrote many articles on bacteriology, immunology, and chemotherapy.
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In 2003 scientiist announced they had completed a complete graph of the human geome.
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Novavax, a biotech company in the US, has developed a recombinant protein Ebola vaccine candidate based on the Guinea 2014 Ebola virus strain and has completed a Phase I human clinical trials in Australia.
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