EpiStack

O-10 - Early epidemic doubling time about 7.4 days and R0 estimated at 2.2

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Properties7
type
observation
id
O-10
statement
In the early phase the epidemic doubled in size roughly every 7.4 days, and the basic reproductive number was estimated at 2.2 (95% CI 1.4-3.9).
link_state
orphan
source
S-13 - Li et al. 2020 NEJM — early transmission dynamics, first 425 confirmed cases
locator
Abstract; Results, epidemic growth
quote
the epidemic doubled in size every 7.4 days...the basic reproductive number was estimated to be 2.2 (95% CI, 1.4 to 3.9).

The growth-rate parameters that, combined with the incubation estimate, let later work back-project the timing of the first infection and the scale of unobserved early transmission.

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