Keyword Analysis & Research: pandemic

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What was the worst plague ever?

Moscow Plague and Riot 1771. The first signs of plague in Moscow appeared in late 1770, which would turn into a major epidemic in the spring of 1771.

What is the worst virus in history?

Smallpox virus is one of the world’s deadliest viruses that had killed more humans than any other virus in human history. In the 20th century alone the virus killed about 200-500 million people worldwide. The virus was evident in history from 10,000 BC.

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