Cough, fever, chills — with fall fast on the way, symptoms alone won’t be useful in distinguishing Covid-19 from similar-looking cases of the flu. That means routinely testing for both viruses will be crucial — even, perhaps, after some patients have already died.
That will at least be true in New York, where officials recently announced a ramp-up in post-mortem testing for the coronavirus as well as the flu. Deaths linked to respiratory illnesses that weren’t confirmed before a…
