Woman waiting in line at the airport, carrying a bag and standing next to two other suitcases. She is wearing a N95 face mask.
SARS-CoV-2 in the Air: What’s Known and What Isn’t
Evidence suggests that COVID-19 is primarily an airborne disease. Yet the details of how transmission occurs are still debated and frequently misunderstood.
ABOVE: © ISTOCK.COM, AJ_WATT
SARS-CoV-2 in the Air: What’s Known and What Isn’t
SARS-CoV-2 in the Air: What’s Known and What Isn’t

Evidence suggests that COVID-19 is primarily an airborne disease. Yet the details of how transmission occurs are still debated and frequently misunderstood.

Evidence suggests that COVID-19 is primarily an airborne disease. Yet the details of how transmission occurs are still debated and frequently misunderstood.

ABOVE: © ISTOCK.COM, AJ_WATT
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Photograph of drought land due to climate change
An Earthy-Smelling Substance, 1964
Lisa Winter | Nov 1, 2021
How the pungent odor that occurs after a light rain became a well-studied phenomenon
Ferret Study Reinforces Role of Aerosols in SARS-CoV-2 Spread
Max Kozlov | Oct 28, 2020
Using an elaborate apparatus, researchers find that the virus spreads via aerosolized particles between ferrets more than a meter apart.
COVID-19, coronavirus, pandemic, SARS-CoV-2, animal study, disease transmission, aerosols, dust, fomite, fur, influenza, respiration
Influenza Aboard Dust Particles Infects Guinea Pigs
Amanda Heidt | Aug 19, 2020
A new study demonstrates that some viruses can be transmitted on airborne particles other than those produced by talking, coughing, or sneezing.
laser imaging, methods, Duke Health, COVID-19, SARS-CoV-2, pandemic, coronavirus, masks, safety, health, aerosols, droplets, saliva
Simple Tool Evaluates Mask Performance at Blocking Droplets
Amanda Heidt | Aug 12, 2020
A proof-of-concept study finds some commonly used facial coverings may perform worse than no mask at all.
pandemic, COVID-19, SARS-CoV-2, coronavirus, WHO, World Health Organization, aerosols, droplet, airborne, disease transmission
Scientists Urge Consideration of Airborne SARS-CoV-2 Transmission
Amanda Heidt | Jul 6, 2020
An open letter points to outbreaks that cannot be explained by large droplets and contact with surfaces alone.
speech talking respiratory droplets sars-cov-2 coronavirus pandemic covid-19
Droplets from Speech Can Float in Air for Eight Minutes: Study
Kerry Grens | May 15, 2020
The experiments did not involve SARS-CoV-2, but researchers say the results support precautions to avoid possibly spreading COVID-19 by talking.