Alliance for Pandemic Preparedness

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Tag: Seattle


May 21, 2021

Controlling COVID-19 via Test-Trace-Quarantine

A modeling study found that high coverage of a test-trace-quarantine approach to COVID-19 containment could be sufficient for epidemic control even under a return to full workplace capacity and community mobility in a setting with low vaccine coverage. This approach involves regularly testing people with COVID-19 symptoms, identifying and testing potentially exposed contacts, and placing…


February 22, 2021

Disparate Patterns of Movements and Visits to Points of Interest Located in Urban Hotspots across US Metropolitan Cities during COVID-19

A study examining the effect of social distancing on changes in visits to urban hotspot points of interest (POIs) in US cities from January to May 2020 found that one group of cities, including San Francisco, Seattle, and Chicago, there was a substantial decrease in hotspot POI visitors, while in another group, including Austin, Houston…


December 17, 2020

Quantifying the Importance and Location of SARS-CoV-2 Transmission Events in Large Metropolitan Areas

[Pre-print, not peer reviewed] An agent-based model simulating the New York City and Seattle metropolitan areas from February to June 2020 found 80% of infections were produced by 27% of people, and 10% of events were super-spreading events (SSE). The model found most infections occurred in community and workplace settings prior to NPIs, whereas households…


October 12, 2020

An Innovative Non-Pharmaceutical Intervention to Mitigate SARS-CoV02 Spread Probability Sampling to Identify and Isolate Asymptomatic Cases

[Pre-print, not peer reviewed] Results from one modelling study suggest that a Sampling-Testing-Quarantine strategy for identifying and isolating asymptomatic individuals with COVID-19 may help slow the spread of the epidemic without school or work shutdowns. An agent-based model was designed to simulate the COVID-19 epidemic in Seattle, in order to test the strategy. The strategy involves…


October 2, 2020

COVID‐19 in Seattle—Early Lessons Learned

An overview of Seattle’s early experience with the COVID-19 response from 6 regional hospitals revealed coordination between many aspects of the healthcare system, including EMS, hospitals and health systems, outpatient networks, public health officials, and government leaders. Seattle implemented triage processes, continuously updated PPE guidelines and isolation measures, increased the availability of testing, and is…


September 25, 2020

Assessment of Disparities in COVID-19 Testing and Infection Across Language Groups in Seattle, Washington

Out of a patient population of 562,242 in King County, WA, a slightly lower percentage of non-English speakers had been tested for SARS-CoV-2 compared to English-speakers (5% vs 6%), but the proportion of positive tests was 4.6-fold higher among non-English speakers (19% vs 4%). The elevated proportion of positive tests was observed across multiple languages….


September 2, 2020

Cross-Sectional Prevalence of SARS-CoV-2 Among Skilled Nursing Facility Employees and Residents Across Facilities in Seattle

Between March 29 and May 13, 2020, 16 skilled nursing facilities (SNFs) in the Seattle area (1,583 employees and 1,208 residents) were tested for SARS-CoV-2 by PCR, of which 11 (69%) SNFs had one or more employees or residents positive. Overall prevalence of SARS-CoV-2 was 3% among employees and 9% among residents. Despite facility policies…