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What was the worst pandemic in history?

There are two prime contenders for the title of the worst pandemic in human history - The bubonic plague of 14th Century Europe and the Spanish flu pandemic of 1918. The Spanish flu pandemic is estimated to have affected roughly 500 million people and caused 20 million to 50 million deaths worldwide between 1918 and 1920--more than World War I. The bubonic plague killed as many as 50 million people, possibly 60 percent of the population of Europe, beginning about 1346.

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Infectious Disease

Infectious Disease

Infections are caused by viruses, bacteria, mold and other organisms and lead to conditions like flu, chicken pox, pneumonia, sore throat, rashes, malaria and other ills. An infection occurs when these germs attack the body, causi...

ng it to respond with antibodies and white blood cells to defend itself. Preventing infectious disease involves eating a healthy diet, getting proper exercise to keep the body strong, and keeping clean by washing hands regularly.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.