In the U.S., health officials in at least 35 states share addresses of those who tested positive for COVID-19 with first responders.
Public health officials have advised wearing a mask in public and remaining at least six feet from anyone else to prevent the new coronavirus from spreading.
These measures are credited with flattening the curve in places like New York City. However, that distance may not be far enough, depending on the weather conditions.
In a paper published on Tuesday in Physics of Fluids, Talib Dbouk and Dimitris Drikakis discovered that with even a slight breeze of 2.4 miles per hour, saliva can travel up to 18 feet in only 5 seconds. "Overall, the results show that in open spaces, airborne droplet carriers can travel