COVID-19 Literature Situation Report
COVID-19 Literature Situation Report is a daily (M-F) newsletter that provides a succinct summary of the latest scientific literature related to the COVID-19 pandemic.
The scientific literature on COVID-19 is rapidly evolving and these articles were selected for review based on their relevance to Washington State decision making around COVID-19 response efforts. Included in these Lit Reps are some manuscripts that have been made available online as pre-prints but have not yet undergone peer review. Please be aware of this when reviewing articles included in the Lit Reps.
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July 29, 2020
COVID-19 Literature Situation Report July 29, 2020
School closures were associated in time with declines in COVID-19 incidence (-62%) and mortality (-58%) across US states, although at least some of the effect may have been due to other non-pharmaceutical interventions implemented concurrently.
July 28, 2020
COVID-19 Literature Situation Report July 28, 2020
SARS-CoV-2 testing among household contacts of COVID-19 cases in Wisconsin and Utah found a 20% attack rate among contacts under age 18 years and 26% among those 18 years or older.
July 27, 2020
COVID-19 Literature Situation Report July 27, 2020
Analysis of PCR test results from a national reference laboratory found that the median age of people testing positive for SARS-CoV-2 in the US has declined from 41 years in April-May to 36 years in June-July.
July 24, 2020
COVID-19 Literature Situation Report July 24, 2020
A county-level study of the US found that nearly all counties that achieved a 70% reduction in visits to non-essential businesses brought the effective reproduction number (Rt) below 1.
July 23, 2020
COVID-19 Literature Situation Report July 23, 2020
Residents in long-term care facilities in Ontario, Canada had a 13-fold higher risk of death from COVID-19 compared to community-living adults age 70 and older.
July 22, 2020
COVID-19 Literature Situation Report July 22, 2020
Based on transmission pairs in China, the time between the onset of symptoms in the initially infected individual and symptom onset in the person they infected decreased over time, which may have been due to the implementation of policies for rapid isolation of people with symptoms of COVID-19.
July 21, 2020
COVID-19 Literature Situation Report July 21, 2020
A seroprevalence study in Blaine County, Idaho, a resort community with a high incidence of COVID-19 in March and April, found nearly a quarter of residents were positive for SARS-CoV-2 antibodies.
July 20, 2020
COVID-19 Literature Situation Report July 20, 2020
A recombinant adenovirus type-5-vectored candidate vaccine currently in phase 2 testing showed strong antibody and T-cell response and no evidence of serious adverse reactions.
July 17, 2020
COVID-19 Literature Situation Report July 17, 2020
Based on simulation models informed by measurements of exhaled aerosol particles, risk of aerosol transmission depends both on emitter behavior (speaking versus normal breathing) and ventilation systems. The location of ventilation in lecture halls and grocery stores could affect transmission risk.
July 16, 2020
COVID-19 Literature Situation Report July 16, 2020
A modeling study suggests that Seattle could return to full workplace and community mobility without loss of COVID-19 epidemic control in a scenario that includes high mask compliance, school closures, high levels of testing, and tracing of half of all contacts within 2 days.
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