npr:
Viruses can spread through the air in two ways: inside large droplets that fall quickly to the ground (red), or inside tiny droplets that float in the air (gray). In the first route, called droplet transmission, the virus can spread only about 3 to 6 feet from an infected person. In the second route, called airborne transmission, the virus can travel 30 feet or more.
Ebola In The Air: What Science Says About How The Virus Spreads
Illustration credit: Adam Cole/NPR
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