Covid-19’s spread is picking up steam in a larger swath of the U.S. as cases have increased at a faster rate nationwide for nearly two weeks, an acceleration that isn’t attributable solely to increased testing, a Wall Street Journal analysis shows.
Thirty-three states, from Oklahoma to South Carolina and Washington, had a seven-day average of new cases on Tuesday that was higher than their average during the past two weeks, according to a Journal analysis of Johns Hopkins University data. That was the situation in 21 states…
