Experts agree they have a great deal to learn, but four factors likely play some role: how close you get; how long you are near the person; whether that person projects viral droplets on you; and how much you touch your face. (Of course, your age and health are also major factors.)

from Times of India https://timesofindia.indiatimes.com/india/surfaces-sneezes-sex-heres-how-the-virus-can-and-cannot-spread/articleshow/74454120.cms