[aposiopetic]

Cardiologist Harlan Krumholz of Yale University says it "can attack almost anything in the body with devastating consequences. It's ferocity is breathtaking and humbling".

Basic grammar must have been deemed politically incorrect by the cognoscenti in New Haven a while back.

[Cicero]

Maybe Krumholz has the virus and it also messes up his grammar.

In any case I don’t think Ivy League professors know how to spell any more.

[Interesting Times]

Cardiologist Harlan Krumholz of Yale University says it "can attack almost anything in the body with devastating consequences. It's ferocity is breathtaking and humbling".

Basic grammar must have been deemed politically incorrect by the cognoscenti in New Haven a while back.

I don't think you can hang the erroneous apostrophe on the cardiologist.