The Never-Ending Question

Angie SzumlinskiHealth, Studies

What proportion of coronavirus disease 2019 (COVID-19) spread is associated with the transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from persons with no symptoms? In a recent study using multiple scenarios of proportions of asymptomatic individuals with COVID-19 and infectious periods, transmission from asymptomatic individuals was estimated to account for more than half of all transmissions. In addition …

Severe COVID-19 – Workers and Household Members

Angie SzumlinskiHealth, Studies

Employment-related exposure to severe acute respiratory syndrome coronavirus (SARS-CoV-2) can endanger not only workers but also their household members. Using pre-pandemic data, the prevalence of Centers for Disease Control Prevention (CDC) risk factors for severe coronavirus disease 2019 (COVID-19) were examined. The researchers then estimated how many adults at increased risk of severe COVID-19 held essential jobs and could not …

Individual and Community Risk

Angie SzumlinskiHealth, Studies

The first case of SARS-CoV-2 infection in the United States was reported on January 20, 2020 in the state of Washington and to date, the pandemic has led to more than 240,000 COVID-19 deaths, making the United States by far the most affected country globally. To date, the United States and other countries have mostly relied on community-based intervention measures, …

Cell Phone Activity – Increase COVID-19 Cases

Angie SzumlinskiHealth, Studies

In 2019, nearly 81% of U.S. adults owned a smartphone capable of transmitting location data, and many U.S. prediction models are using, or plan to use, cell phone location data as a tool to help summarize human behavior as a means to understand disease spread and inform policy. However, evidence to support cell phone location data as a marker of …