Experts say Covid-19 cases are likely about to surge

America keeps making the same mistakes over and over. So another surge of coronavirus cases seems likely.

The surge of Covid-19 cases and deaths in America over the summer resulted from a toxic mix of factors: states reopening, lockdown fatigue, and a season typically filled with vacations and holidays like Memorial Day and the Fourth of July. People gathered and celebrated indoors — at bars, restaurants, and friends and family’s homes. Millions of people got sick, and tens of thousands died.

This fall, experts worry it will all happen again:...