Browsing by Author "Hay, James"

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Estimating epidemiologic dynamics from single cross-sectional viral load distributions

Hay, James; Kennedy-Shaffer, Lee; Kanjilal, Sanjat; Lipsitch, Marc; Mina, Michael (2020-09-26)

Virologic testing for SARS-CoV-2 has been central to the COVID-19 pandemic response, but interpreting changes in incidence and fraction of positive tests towards understanding the epidemic trajectory is confounded by changes ...
Intuitions and counterintuitions of surveillance testing accuracy during an epidemic

Hay, James; Hellewell, Joel; Qiu, Xueting (2021)
Viral dynamics and duration of PCR positivity of the SARS-CoV-2 Omicron variant

Hay, James; Kissler, Stephen; Fauver, Joseph R.; Mack, Christina; Tai, Caroline G.; Samant, Radhika M.; Connelly, Sarah; Anderson, Deverick J.; Khullar, Gaurav; MacKay, Matthew; Patel, Miral; Kelly, Shannan; Manhertz, April; Eiter, Isaac; Salgado, Daisy; Baker, Tim; Dudley, Joel T.; Mason, Christopher E.; Ho, David D.; Grubaugh, Nathan D.; Grad, Yonatan (2022)

Background: The Omicron SARS-CoV-2 variant is responsible for a major wave of COVID-19, with record case counts reflecting high transmissibility and escape from prior immunity. Defining the time course of Omicron viral ...