Web28 de abr. de 2024 · 3 minutes. In the history of infectious disease in the Americas, by far the worst epidemics resulted from European contact with Native people. That story often gets told as an inevitable one—millions of immunologically naïve people were doomed to get very sick. But historian David S. Jones argues that this misses enormous complexity in ... Web4 de mai. de 2024 · Measles is potentially a deadly disease. The virus has a direct effect on the body, which can be lethal. The virus causes fever and a distinctive rash that starts on the face and spreads over the whole body. In some cases, severe complications can include pneumonia, severe diarrhea, blindness, encephalitis (brain swelling) and death.

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WebMeasles is a highly contagious infectious disease caused by measles virus. Symptoms usually develop 10–12 days after exposure to an infected person and last 7–10 days. Initial symptoms typically include fever, often greater than 40 °C (104 °F), cough, runny nose, and inflamed eyes. Small white spots known as Koplik's spots may form inside the mouth two … Web19 de fev. de 2015 · The 1730s saw devastating epidemics of smallpox, yellow fever and diphtheria. In 1740, German physician Friedrich Hoffmann identified “German measles,” rubella. Scottish physician Francis Home discovered that the measles virus is … greenbrier public library chesapeake va

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WebDisease Epidemics among Indians, 1770s-1850s. In 1972, historian Alfred Crosby introduced the term Columbian Exchange to refer to the interchange of plants, animals, bacteria, and peoples that occurred between the Old World (Eurasia and Africa) and the New World (the Americas and Australia) following the arrival of Christopher Columbus in … WebBecause measles has such a high infectivity rate, the threshold for community protection is also very high, requiring at least 95% immunity among the population to prevent … greenbrier entrance great smoky mountains