How a ‘Second Wave’ Sparks Renewed Pandemic Fears

As authorities the world over lift economy-crippling movement restrictions aimed at curbing coronavirus infections, the fear on everyone’s minds can be expressed in two words: second wave. The concern is that, once quelled, the pandemic will resurface with renewed strength, causing a repeat of rising infections, swamped health systems and orders for lockdowns. Rashes of new cases in pockets of Asia and the U.S. have added to the fears.