From the Mask Nerd

Independent testing data for hundreds of face masks and respirators

Master Mask Testing Data Set – Google Sheets

YouTube Channel – video reviews and discussion of all things masky.

Aaron Collins – YouTube

Read Our COVID Tips

Simple, easy-to-understanding messaging on practical strategies to reduce exposure to COVID-19 indoors.
Blog Archives – Maine Indoor Air Quality Council

From U.S. EPA

EPA Researchers Test Effectiveness of Face Masks, Disinfection Methods Against COVID-19 | US EPA

The SAFEAIRSPACES COVID-19 Aerosol Relative Risk Estimator

Use your parameters for # of occupants, floor space/height, ventilation rate, filtration rate, time indoors, and use of masks to determine transmission risk.

New – From North Carolina Department of Health & Human Services

The effectiveness of face masks to prevent SARS CoV-2 transmission: A summary of the peer-review science.


COVID-19 Response Resources


Reopening Guidance for Schools (K-12)

From Centers for Disease Control & Prevention

The Science of Masking to Control COVID-19
The Science of Masking to Control COVID-19 (

Scientific Brief on Cloth Masks
Includes links to more than 40 scientific studies on use of masks to prevent virus exposure.
Scientific Brief: Community Use of Cloth Masks to Control the Spread of SARS-CoV-2 | CDC

Scientific Brief on COVID-19 Airborne Transmissions
Scientific Brief: SARS-CoV-2 and Potential Airborne Transmission | CDC

Show Me the Science: Handwashing
Show Me the Science | Handwashing | CDC

Explore Soap Science

A hodgepodge of articles discussing how soap both cleans virus from your skin as well as destroys it.

How Handwashing with Soap Kills Coronavirus- NewYork-Pre`sbyterian (

Soap-ology: Quick Facts About Soap and How it Protects You from Infection – Daily Nurse

Soap Minimizes Coronavirus Risk (

How Soap Kills COVID-19 on Hands (

Why Soap Works – The New York Times (

COVID-19 expert explains what soap does to SARS-CoV-2 virus – Mayo Clinic News Network

HEALTH: Virus-busting soap infographic (

From Colorado State University

Cloth Mask Performance


The Power of Social Distancing

From the Mayo Clinic:

COVID-19 expert explains what soap does to SARS-CoV-2 virus – Mayo Clinic News Network