Evolving virulence? Decreasing COVID-19 complications among Massachusetts healthcare workers: a cohort study.

Fan Yun Lan,Robert M. Filler,Soni Mathew,Eirini Iliaki,Rebecca Osgood,Lou Ann Bruno-Murtha,Stefanos N. Kales

Evolving virulence? Decreasing COVID-19 complications among Massachusetts healthcare workers: a cohort study.

2020

Fan Yun Lan
Robert M. Filler
Soni Mathew
Eirini Iliaki
Rebecca Osgood
Lou Ann Bruno-Murtha
Stefanos N. Kales

Limited research has investigated possible changes in SARS-CoV-2 virulence. The United States case-severity and case-fatality rates have decreased [1] but may be biased by improved clinical acumen ...

Keywords:

severe acute respiratory syndrome coronavirus 2
MEDLINE
Occupational safety and health
Medicine
Health care
Epidemiology
Virulence
Emergency medicine
Cohort study
Coronavirus disease 2019

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