Not with certainty. I'm stating the population that has been tested positive in the US. I apologise, as it's actually more like 0.16% (per https://www.worldometers.info/coronavirus/country/us/), so call it 0.2%. Let's even go so far as to assume that there are 10x as many people infected who haven't been recorded. That would make it 2%. Herd immunity through infection is still 30x - 40x away from where the US population is. Vaccine will still be sooner unless allowing for the hospital system to become overwhelmed.