Sergio Chapa , Erin Douglas , Amanda Drane , Nancy Sarnoff , R.A. Schuetz , Dwight Silverman and Gwendolyn Wu Four months ago, the effects of the coronavirus pandemic on the Houston region were just beginning to be felt, but signs of an unprecedented economic disaster were taking shape. In mid-March, when Houston Chronicle business reporters looked at the economic effect of the burgeoning pandemic, there were fewer than 100 new cases …