Research compiles the data for each state in the US and calculates the change in the infection rate before and after social distance measures were imposed last spring
New study tests the effectiveness of different fabrics at filtering particles between 0.02 and 0.1 micrometers—about the size of most viruses—at high speeds
The Contagion Airborne Transmission inequality model illustrates correlation between physical distancing and protection, the efficacy of face masks, and the impact of physical activity on transmission
A systematic review and meta-analysis of studies have revealed that pre-existing conditions may increase a COVID-19 patient's risk of death by one-and-a-half to three times