Going to the hospital with COVID-19 symptoms can be a tough call. This Penn text program makes it easier.

Saladin Webb had a sore throat and difficulty breathing in early April. Jessica Waber had the same, plus a fever and upset stomach. In normal times, many with those symptoms would head to the emergency room. But with hospitals scrambling to preserve resources for the sickest patients in a pandemic, how should people with COVID-19 decide whether to go? And can they take steps to keep symptoms …