Many of us are members of the one of the "more likely affected" group. Most have probably seen these suggestions by now. Certainly they have appeared sparingly on some public media. I hope no one complains about my posting them for everyone's use, no matter what part of the world you may be weather-watching.
From Medicare.gov:
To prevent the spread of this illness [COVID-19] or other illnesses, including the flu:
Wash your hands often with soap and water,
Cover your mouth and nose when you cough or sneeze,
Stay home when you're sick, and
See your doctor if you think you're ill.
More info from the American
CDC.