[OKSooner]

Just one small point, it's not "a strong flu". It's an affliction of the body's vascular system caused by the virus.

The symptoms do present kinda like the flu - a horrible cough, with body aches, etc.

But it ain't the flu and it ain't a cold... it's something else...

[DivineMomentsOfTruth]

Early on some doctors categorized it as a disease of the blood vessels.