The Second Virus Wave: How Bad Will It Be As Lockdowns Ease?

ROME From the marbled halls of Italy to the wheat fields of Kansas, health authorities are increasingly warning that the question isn’t whether a second wave of coronavirus infections and deaths will hit, but when and how badly?

In India, which relaxed its lockdown this week, health authorities scrambled Wednesday to contain an outbreak at a huge market.

Hard-hit New York City shut down its subway system overnight for disinfection.

Experts in Italy, which just began easing some restrictions, warned lawmakers that a new surge of infections and deaths is coming, and they urged intensified efforts to identify victims, monitor their symptoms and trace their contacts.