The novel corona virus is usually transmitted “through droplets or small particles, such as aerosols, in which an infected person coughs, sneezes, sings, speaks, or breathes.”

“These particles can be inhaled into the nose, mouth, trachea and lungs and cause infections,” the site now says. “It’s thought to be the main way the virus spreads.”

Previously, the CVC website stated that “an infected person spreads coughing, sneezing, or breathing drops when they speak,” between people in close contact – about 6 feet. The page was updated on Friday.

“There is ample evidence that droplets and airborne particles can be trapped in the air and inhaled by others, and travel distances of more than 6 feet (for example, during choir training or in restaurants or fitness classes),” he says. “In general, indoor environments without good ventilation increase this risk.”

In July, the World Health Organization (WHO) acknowledged that the novel Corona virus could spread through the air, prompting hundreds of scientists at the United Nations’ global health department to identify the dangers of airborne transmission.

Eric Strauss of ABC News contributed to this report.