Fauci said the pandemic hit at a time of "great divisiveness" in the U.S., but noted a new direction under President Biden.
New data from Chinese scientists shows that there were 174 confirmed cases of COVID-19 in the city of Wuhan during December 2019.
"It's a huge concern to see the resurgence of Ebola in Guinea, a country which has already suffered so much from the disease," said WHO Regional Director for Africa, Dr Matshidiso Moeti.
"The U.S., acting as if none of this had ever happened, is pointing fingers at other countries who have been faithfully supporting the WHO and at the WHO itself," the Chinese Embassy in Washington D.C. said.
The program comes as early data shows the Oxford/AstraZeneca vaccine is less effective against the South African variant of COVID-19.
The WHO team's press briefing, with its dismissal of the lab-leak hypothesis, failed to persuade U.S. officials and did nothing to bridge the divide between China and the West.
Peter Daszak wrote that President Joe Biden "has to look tough on China. Please don't rely too much on US intel" regarding the coronavirus.
The WHO announced it's ending its investigation into the Wuhan lab's ties to the coronavirus pandemic.
Since the coronavirus outbreak first began in December 2019, conspiracy theories have suggested that COVID could have leaked from a laboratory. A WHO team has now officially rejected the claims.
A look at those to have been named as nominees for the coveted prize, before the winner is revealed later in the year.
"Don't pretend that we don't exist, that we aren't seeking accountability," Zhang Hai, whose father died of COVID-19 in February told the Associated Press.
Poll found that 51 percent of Americans were happy to have the vaccine, the highest number so far. In Europe, France was found to be the most opposed it, with only 46 percent of French people being willing to get inoculated.
"China always maintains that all countries should actively support WHO's work and jointly safeguard international public health security," Chinese Foreign Ministry spokesperson Hua Chunying said.
"While China spread misinformation so it could hoard medical supplies, the WHO parroted China's lies denying human to human transmission of the virus and Tedros praising them for their transparency," claimed Representative James Comer who is on the House Committee on Oversight and Reform.
WHO Director-General Tedros Adhanom Ghebreyesus said the world faces a "catastrophic moral failure" over the distribution of COVID vaccines.
"Some of the things we're going to be doing are going to be bold and vital," President Joe Biden said after signing several executive orders on his first day in office.
Scientists say the variant is significantly more transmissible, although it does not appear to cause more severe disease.
A U.N. panel of health experts released a report Monday that highlights slow responses to COVID-19 in early 2020.
Nearly a year into the pandemic, the world still doesn't know where the new coronavirus originated from and experts are warning we may never have a full picture of how the pandemic began.
Two members of the team tested positive for COVID-19 antibodies while in transit and were kept behind in Singapore. The 13 other members of the team will quarantine for 14 days upon their arrival.
"I have been in contact with senior Chinese officials, and I have once again made it clear that the mission is a priority for WHO and the international team," the director said.
The WHO official's comments come as U.S. airports recorded their busiest day of the pandemic over the weekend.
The head of the WHO emergencies program said the COVID pandemic is "a wake-up call," as COVID variants from the U.K. and South Africa that are thought to be more transmissible appeared in new countries.
The Biden administration must insist that the WHO act against its pro-China bias and initiate a credible, transparent investigation into the origin of the virus and China's responsibility for it.
"Proof of vaccination can be important at the individual level and for sectors other than health," a spokesperson for the WHO tells Newsweek.
Only 15 percent said the U.S. did a good job of handling the coronavrius outbreak.
China's "numbers seem to be a little bit on the light side," President Donald Trump said in April, "and I'm being nice when I say that."