Here's what to know about whooping cough amid the growing cases.

Hence it became known as “Spanish flu ... stepped outside his emergency hospital and found the same thing: “I stood in the middle of Wellington City at 2 P.M. on a weekday afternoon ...

They found that this strain, H2N2, was unlike any flu that humans were known to have encountered. When it reached the United States, no one would be immune. Hilleman moved quickly to alert the ...