A sufficient percentage of Americans have now been vaccinated to avoid lockdowns, Fauci said on ABC's "This Week".
"Not enough to crush the outbreak, but I believe enough to not allow us to get into the situation we were in last winter," he said.
The average number of new coronavirus cases reported nationwide has nearly doubled in the past 10 days, according to a Reuters analysis.
Even if states do not resort to lockdowns again, the spread of the Delta variant could still threaten the economy.
