"If we had delayed [the shutdown] another week, things would have been a lot worse," the city's health commissioner says.Philadelphia has one of the largest outbreaks of coronavirus in the country, to judge by the number of infections that have been confirmed. But the city’s rate of infection — illnesses divided by people — compared with hard-hit cities like New York, Detroit, and New Orleans, has been significantly lower, .Just over 40 out of every 10,000 Philadelphians have tested positive for coronavirus, an infection rate that ranks 68th out of more than 3,000 U.S. counties included in...…"If we had delayed [the shutdown] another week, things would have been a lot worse," the city's health commissioner says.Philadelphia has one of the largest outbreaks of coronavirus in the country, to judge by the number of infections that have been confirmed. But the city’s rate of infection — illnesses divided by people — compared with hard-hit cities like New York, Detroit, and New Orleans, has been significantly lower, .Just over 40 out of every 10,000 Philadelphians have tested positive for coronavirus, an infection rate that ranks 68th out of more than 3,000 U.S. counties included in...WW…