Author: Steffen E. Eikenberry; Marina Mancuso; Enahoro Iboi; Tin Phan; Keenan Eikenberry; Yang Kuang; Eric Kostelich; Abba B. Gumel
Title: To mask or not to mask: Modeling the potential for face mask use by the general public to curtail the COVID-19 pandemic Document date: 2020_4_11
ID: 28utunid_17
Snippet: The relative infectiousness of asymptomatic carriers, η, is not known, although Ferguson et al. [39] estimated this parameter at about 0.5, and Li et al. [38] gave values of 0.42-0.55. The fraction of cases that are symptomatic, α, is also uncertain, with Li et al. [38] suggesting an overall case reporting rate of just 14% early in the outbreak in China, but increasing to 65-69% later; further, α = 2/3 was used in [39] . In the case of the Dia.....
Document: The relative infectiousness of asymptomatic carriers, η, is not known, although Ferguson et al. [39] estimated this parameter at about 0.5, and Li et al. [38] gave values of 0.42-0.55. The fraction of cases that are symptomatic, α, is also uncertain, with Li et al. [38] suggesting an overall case reporting rate of just 14% early in the outbreak in China, but increasing to 65-69% later; further, α = 2/3 was used in [39] . In the case of the Diamond Princess Cruise ship [49] , 712 (19.2%) passengers and crews tested positive for SARS-CoV-2, with 331 (46.5%) asymptomatic at the time of testing. Therefore, we choose α = 0.5 as our default.
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