How to pronounce whooping cough??

Question

I was born in 1935 - all the people back then - at least the ones I knew, called it HOOPING cough .   The W was silent.  Now it sounds weird  to me to hear it called Wupping cough.  

Answer 1

The W is silent

Answer 2

This is what dictionary.com shows:

whooping cough[ hoo-ping, hoo p-ing ]