Summit County Colorado COVID-19 Symptom Tracking

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COVID-19 Tracking

Largest CDC COVID-19 Vaccine Effectiveness Study in Health Workers Shows mRNA Vaccines 94% Effective 2021/05/14
A new CDC study adds to the growing body of real-world evidence (outside of a clinical trial setting) showing that COVID-19 mRNA vaccines authorized by the Food and Drug Administration (FDA) protect health care personnel (HCP) against COVID-19. mRNA vaccines (Pfizer-BioNTech and Moderna) reduced the risk of getting sick with COVID-19 by 94% among HCP […]
CDC Director Statement on Pfizer’s Use of COVID-19 Vaccine in Adolescents Age 12 and Older 2021/05/12
Media Statement from CDC Director Rochelle P. Walensky, MD, MPH, on Signing the Advisory Committee on Immunization Practices’ Recommendation to Use Pfizer’s COVID-19 Vaccine in 12- to 15-Year-Olds

Dating Data: How We Used Multiple Dating Schemes to Provide the Most Complete Picture of the Pandemic 2021/05/13
Throughout our year of tracking COVID-19 tests, cases, and outcomes, we were confronted with data organized by numerous dating schemes. Here’s how we came to understand those dating schemes, and the solution we developed for making the best of them.
Theo Michel & Rebma
How and Why The COVID Tracking Project Built a Screenshot System 2021/05/04
A system for regularly capturing static images of state COVID-19 websites helped us produce an archive and verify our published data.
Julia Kodysh & Jonathan Gilmour