What Mortality Rate was Used by Fauci & Birx to Estimate 250,000 Could Die by Wuhan Virus Certainly Not 0.1%?

Translate:

Fauci and Birx never said what was the estimated wuhan virus mortality rate used to estimate that 250,000 Americans could die of it, was it 0.1% such that about 250,000,000 would need have been infected, or 3.0% such that about 8,000,000 would need have been infected?