1. Stay the hell away from eating in restaurant dining rooms (or spending any extended period inside enclosed public spaces where there are other people) until there is a vaccine and/or effective treatment.
2. The formula "Successful Infection = Exposure to Virus x Time" is key, which means especially when maintaining social distancing, there actually is little to worry about regarding briefly passing by other walkers, joggers or cyclists while outside. (Even less when masks are worn.)
There's something very comforting about being armed with solid, data-driven information.