Scientists Already Worry About A Second Wave of Covid19

Even before the first horrific phase of the COVID-19 pandemic has run its course, scientists are worried about the second wave of the disease.

It could crash worse than the first, killing tens of thousands of people who did such a good job of sheltering in place they remain virgin ground for the virus. Or it could be a mere swell, with so many people having been infected without symptoms that levels of immunity are higher than realized.

There is no crystal ball to look to, because so many crucial pieces of information remain missing.