Basic reproduction number, or R0 or contagiousness |
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Basic reproduction number, or R0 or contagiousness

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R0 represents the average number of susceptible individuals an infected person will transmit the disease to.R0 = Attack rate x ContactsAttack rate (the percent chance that a contact will get the disease).If the R0 is < 1, a disease outbreak should wane over time, and if its >1, cases would continue to increase.Seasonal flu has an R0 of around 1.5. The Spanish influenza of 1918-1919 had an R0 of 2. Chickenpox, a fairly infectious condition, has an R0 of around 5.To predict the severity...
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