Viruses and how they are spread today
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The document compares old and modern technology, noting that modern technology allows everything to move faster, including diseases. It contrasts the Black Death epidemic of the 14th century, one of the most devastating pandemics in human history, with more recent outbreaks of avian flu that began in Hong Kong in 2003 with 4 cases and 1 death and again in 2008.
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Congo virus alert
Crimean-Congo hemorrhagic fever is a viral disease transmitted by ticks that feed on infected animals. It was first identified separately in Crimea in 1944 and Congo in 1956 before the virus was recognized as the same pathogen. The document warns of increased risk of the disease during Eid-ul-Azha celebrations in Pakistan, as it can spread through tick bites or contact with infected blood or body fluids of humans. Initial symptoms include fever, muscle aches and headaches. Hospital staff are also at higher risk of infection when treating patients with the disease. The document provides safety tips such as wearing protective clothing, applying insect repellent, showering after exposure and frequent hand washing.
The largest pandemics throughout history and its consequences
The document summarizes several major pandemics throughout history, including the bubonic plague in the 14th century, cholera in the 19th century, tuberculosis in the mid-19th century, smallpox in the late 19th century, the Spanish flu in 1918, HIV/AIDS in the 1980s, H1N1 swine flu in 2009, and the coronavirus pandemic that began in 2019. It describes the origins, symptoms, impacts, and responses to each pandemic. It notes that new pandemics could emerge from diseases such as bubonic plague, measles, or even an unknown "Disease X." Overall, the document outlines the largest pandemics in history and their consequences on society
History of epidemics of plague
The document summarizes the history of three major plague pandemics:
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- The "Black Death" pandemic from 1347-1352 CE was the most devastating, killing an estimated 30-60% of Europe's population.
- The third pandemic lasted from 1894-1959, killing over 15 million people mostly in India, before being controlled through public health measures and antibiotics. Major outbreaks occurred in Hong Kong, Australia and India during this period.
Plague
The document discusses the history of plague through time, from the Black Death pandemic in Europe during the 14th century to isolated cases in early 20th century Brisbane, Australia. It provides historical records of plague outbreaks and mortality from London in 1665. It also examines the scientific names for different plague strains and how they reveal the heritage of the disease in antiquity, the orient, and medieval Europe.
The Most Deadly Pandemic Threaten the World by Dr. Mohamed Labib Salem
The Most Deadly Pandemic Threaten the World
Dr. Mohamed Labib Salem, PhD
Prof. of Immunology, Faculty of Science
Director, Center of Excellence in Cancer Research, Tanta University, Egypt
بدعوة كريمة من: مجموعة العلم والمجتمع أحد مجموعات أكاديمية الشباب المصري – أكاديمية البحث العلمي والتكنولوجيا
Plague disease
Plague is a bacterial infection caused by Yersinia pestis that primarily affects the lungs, lymph nodes, and blood vessels. It is a fatal disease that has killed over 200 million people throughout history. There are three main types of plague: bubonic plague causes swollen lymph nodes, pneumonic plague causes coughing and sneezing and can be transmitted between people, and septicemic plague occurs when the bacteria enter the bloodstream directly. Yersinia pestis is usually transmitted to humans via infected fleas or animals. Modern antibiotics can treat plague if diagnosed early enough. Researchers are working to develop vaccines to protect against pneumonic plague.
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Congo virus alert
Crimean-Congo hemorrhagic fever is a viral disease transmitted by ticks that feed on infected animals. It was first identified separately in Crimea in 1944 and Congo in 1956 before the virus was recognized as the same pathogen. The document warns of increased risk of the disease during Eid-ul-Azha celebrations in Pakistan, as it can spread through tick bites or contact with infected blood or body fluids of humans. Initial symptoms include fever, muscle aches and headaches. Hospital staff are also at higher risk of infection when treating patients with the disease. The document provides safety tips such as wearing protective clothing, applying insect repellent, showering after exposure and frequent hand washing.
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The document summarizes several major pandemics throughout history, including the bubonic plague in the 14th century, cholera in the 19th century, tuberculosis in the mid-19th century, smallpox in the late 19th century, the Spanish flu in 1918, HIV/AIDS in the 1980s, H1N1 swine flu in 2009, and the coronavirus pandemic that began in 2019. It describes the origins, symptoms, impacts, and responses to each pandemic. It notes that new pandemics could emerge from diseases such as bubonic plague, measles, or even an unknown "Disease X." Overall, the document outlines the largest pandemics in history and their consequences on society
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- The Justinian Plague from 541-544 CE originated in Africa and killed over a third of Constantinople's population, contributing to the demise of the Byzantine Empire.
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- The third pandemic lasted from 1894-1959, killing over 15 million people mostly in India, before being controlled through public health measures and antibiotics. Major outbreaks occurred in Hong Kong, Australia and India during this period.
Plague
The document discusses the history of plague through time, from the Black Death pandemic in Europe during the 14th century to isolated cases in early 20th century Brisbane, Australia. It provides historical records of plague outbreaks and mortality from London in 1665. It also examines the scientific names for different plague strains and how they reveal the heritage of the disease in antiquity, the orient, and medieval Europe.
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The Most Deadly Pandemic Threaten the World
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بدعوة كريمة من: مجموعة العلم والمجتمع أحد مجموعات أكاديمية الشباب المصري – أكاديمية البحث العلمي والتكنولوجيا
Plague disease
Plague is a bacterial infection caused by Yersinia pestis that primarily affects the lungs, lymph nodes, and blood vessels. It is a fatal disease that has killed over 200 million people throughout history. There are three main types of plague: bubonic plague causes swollen lymph nodes, pneumonic plague causes coughing and sneezing and can be transmitted between people, and septicemic plague occurs when the bacteria enter the bloodstream directly. Yersinia pestis is usually transmitted to humans via infected fleas or animals. Modern antibiotics can treat plague if diagnosed early enough. Researchers are working to develop vaccines to protect against pneumonic plague.
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Viruses and how they are spread today
- 7. Black Death Epidemic - XIV century One of the most devastating pandemics in human history.
- 9. FLU AVIAN
- 13. It started in HONG KONG 2003 4 cases 1 death
- 14. Avian Flu - 2008