One quantity scientists use to measure how a disease spreads through a population is the "basic reproduction number," otherwise known as R0 (pronounced "R naught," or, if you hate pirates, "arr not"). This number tells us how many people, on average, each infected person will in turn infect. While it doesn't tell us how deadly an epidemic is, R0 is a measure of how infectious a new disease is, and helps guide epidemic control strategies implemented by governments and health organizations.
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February 21, 2020 at 03:32AM
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The science of how diseases spread - Popular Science
"how" - Google News
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