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I don't know why people keep talking about this "second wave" in America. Countries that have a second wave have one because they ended the first wave and are on the look out for more. America has not ended the first wave, at all. There can't be a second if the first is still here.

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There was a big acceleration of cases in March (largely in NYC), and a second, even bigger acceleration (mostly in the Southern and Western regions) in June. Your point is valid, but there were two large increases in new cases that some people are calling waves, what would you prefer they be called?

I would assume a "second wave" means that it has crested in the same place twice. as opposed to calling Wuhan the first wave, Iran the second, Italy the third, Spain the fourth, NYC the fifth, and so on.

If NYC is bad again I'd call that a second wave. Florida is 1500 miles away and is experiencing their first wave, some time after NYC had theirs.

The optimist in me has noticed that no locality experiencing a bad first wave has had a second wave yet. Perhaps that is a sign of herd immunity (helped by T-cells, if so). Time will tell...

It's more like each population center in the country has its own (mostly) independent wave. Those waves then stack up on top of each other to produce a single national wave.

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