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How COVID-19 spreads and how to slow it down
The article explains the basic reproductive number R and how transmission depends on contacts, infection risk, and disease duration. It notes the R value for coronavirus likely ranges from 1 to 3, highlights undercounting of cases, and argues that reducing contacts, transmission likelihood, or contagious period can slow spread, citing Johns Hopkins University, WHO, CDC, and USA TODAY research.
MENTIONED IN THIS ARTICLE
China
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Johns Hopkins University
WHO
CDC
USA Today