With the US vaccination pace slowing, Fauci said using "trusted messengers" will be an important way to overcome hesitancy in some communities and get the nation closer to an 80% vaccination rate.
"So it's nearly double what we were able to track", Todd said.
"You've had experts like the former head of the (Food and Drug Administration), Scott Gottlieb, say it's time to start relaxing the indoor mask mandates".
Responding to a question, Dr Fauci said that India needs to immediately build makeshift field hospitals like what China did a year ago. You've got to give them credit. The oxygen situation is something that was really critical.More news: Scottish pro-independence parties seen winning majority but SNP falls short
"So there's an immediate problem, which is hospital beds, oxygen, PPE, and other supplies, and then there's the problem looking forward of how you're going to shut this down, how you're going to turn it around, how you're going to break the chain of transmission", Fauci added.
"We do need to start being more liberal as we get more people vaccinated [because] the number of cases per day will absolutely go down".
"It could be sports figures, it could be entertainment figures, it could be clergy or it could be your family doctor", he said.
"Sometimes the models are right on line, sometimes they're a bit off", said Fauci, the director of the National Institute for Allergy and Infectious Diseases, on NBC's "Meet the Press" on Sunday.More news: India to take back illegal United Kingdom migrants in return for professional visas
He called for a nationwide lockdown, not necessarily for six months but "for a few weeks" to break the "continuity and transmission of infection".
India has been reeling under the second wave of the COVID-19 pandemic with over 4 lakh new coronavirus cases being reported daily in the past few days.
Back in the USA, more than 151 million Americans have received at least one dose of a COVID-19 vaccine, prompting some criticism of the Centers for Disease Control and Prevention's indoor mask guidance, suggesting it's too stringent.More news: Australia places temporary ban on return of residents and citizens from India