Rick Bright hailed the "remarkable effectiveness" of the vaccine as Pfizer said no serious side effects were reported in a large trial.
Pfizer-BioNTech and Moderna have both recently claimed that their COVID vaccines are more than 90 percent effective in preventing the disease.
The key member of the White House Coronavirus Task Force said that new COVID-19 infections "are going to go up" further over the next several weeks.
The president has repeatedly claimed the pandemic will end on its own. On Monday, Fauci acknowledged people are growing tired of the outbreak, but said the virus can be controlled with vaccines and public health measures.
"The data are striking, they're really quite impressive," Fauci said.
The announcement comes after Pfizer and Russia institute said their vaccines are 90 percent and 92 percent effective respectively.
Vaccines "will protect us from the disease, but they will not make it disappear," the scientist said.
Pfizer said no serious safety concerns have been observed so far.
"By targeting specific age groups we can substantially reduce the number of doses required to achieve an equivalent reduction in transmission," researcher Michael Meehan said.
Almost 12,000 people from 130 countries took part in the Life With Corona poll which explored topics including vaccine nationalism.
Dr. Francis Collins said a "cloud of uncertainty" has been cast over public confidence in a vaccine.
Four out of five American voters want public health restrictions amid the COVID-19 pandemic to either remain the same or become more strict, according to a poll released Thursday.
"A COVID-19 vaccine is the thing that will get Americans back to normal everyday life," Centers for Disease Control and Prevention Director Dr. Robert Redfield said Wednesday after being criticized by President Donald Trump for comments made earlier in the day.
CDC Director Dr. Robert Redfield said that "face masks are the most important, powerful public health tool we have" in fighting the spread of COVID-19 during a Senate hearing on Wednesday.
U.S. residents have expressed concerns about safety if a COVID-19 vaccine is rushed into production before Election Day on November 3.
Dr. Tara Alaina Zandvliet has been placed on three years of probation for gross negligence and unprofessional conduct.
Three of the leading vaccine candidates—being developed by Moderna, Pfizer and AstraZeneca—began large-scale trials recently.
"The more vaccines we have, the better for the whole of humanity," the director of Russia's sovereign wealth fund said.
Public health officials in California on Tuesday expressed concern that decreased vaccinations among children prompted by stay-at-home orders could pose additional risks to health and place added strain on health care systems that are already overworked amid the pandemic.
"We are working on the creation of a vaccine for animals against the new coronavirus infection," said Russian official Sergey Dankvert.
Microsoft co-founder and billionaire philanthropist Bill Gates has questioned the position of anti-vaxxers amid the COVID-19 crisis.
Childhood immunization rates are plummeting during the pandemic, according to the CDC. Parents must take action.
A livestock export from Sudan was recently rejected by Saudi Arabia. Some 58,000 sheep were turned away for not having the right vaccinations.
Moderna's vaccine candidate will be trialed at 89 clinical research sites in the U.S.
Moncef Slaoui said: "I'm convinced we will have effective vaccines, and I'm convinced it will happen at a pace that is unprecedented."
Russia claims it will have a vaccine rolled out by October.
Meanwhile, Russian officials have claimed they may have a vaccine approved by August.
The leading immunologist and member of the White House coronavirus task force made the comments the day two pharmaceutical companies announced their respective COVID-19 experimental vaccines were entering their next phases.
Two vaccine candidates that could potentially halt the spread of COVID-19 entered late-stage clinical trials on Monday.