Why face-to-face interaction may spread COVID-19
Here's a video that shows how speaking to each other face-to-face can transmit the virus --- and why physical distancing works. They used a laser to illuminate the water droplets that contain the virus are emitted while speaking and can potentially be inhaled by the other person:
The scary part is that people can transmit while they are not exhibit any symptoms.
So, do not talk face-to-face with friends, neighbors, or anybody you encounter. Keep your distance. Make a phone call, skype, use facebook, instagram, facetalk, or any of the many other ways to stay connected.