The Biden administration is "inheriting a huge mess" on the rollout of vaccines, said incoming White House Chief of Staff Ron Klain on Sunday.
State leaders accused the Trump administration of failing to provide a promised stockpile of new vaccine doses this week.
"The attacks on the Capitol were an assault on our democracy and on the tradition of peaceful transitions of power that the United State of America first brought to the world," Alex Azar wrote to the president in a Friday letter.
Speculation has mounted about the cabinet invoking the 25th Amendment to strip the president of his powers.
America's top infectious disease specialist and incoming chief medical advisor to the Biden administration made the assertion as the U.S. struggles with vaccine roll-out setbacks.
The U.S. has purchased enough doses of coronavirus vaccines to innoculate 200 million people by summer, just shy of the 70 percent needed to achieve herd immunity.
The director of the National Institute of Allergy and Infectious Diseases had the shot after Health and Human Services Secretary Alex Azar.
The health secretary described the vaccine as "exceptionally safe vaccine" and "shockingly effective."
About 2.9 million doses of the Pfizer/BioNTech coronavirus vaccine will be distributed across the country this week.
An advisory board for the U.S. Food and Drug Administration agreed on Thursday that the Pfizer COVID vaccine should be rolled out.
Speaking on CBS This Morning, he rebuked Biden administration claims that the government doesn't have a plan for distribution, saying that in the meeting the Trump administration laid out "in minute detail how we would ship the vaccine."
Trump "didn't wear a mask in public for three months until July," Chris Wallace said, criticizing the president while interviewing Secretary of Health and Human Services Alex Azar.
Trump administration officials and allies have tried to link Pfizer's claims that its coronavirus vaccine is 90 percent effective to Operation Warp Speed.
"Why doesn't the president follow his administration's own guidelines at his rallies?" Fox News Sunday host Chris Wallace asked Jason Miller.
Scientists advocating the herd immunity met with White House officials last week
"Being in a physical school environment is vital for our kids for their physical well-being, their emotional and mental health and also nutrition services," Health and Human Services Secretary Alex Azar said.
Chinese foreign ministry spokesperson Zhao Lijian said Wednesday that Beijing opposes any official ties between the U.S. and Taiwan.
The health secretary is visiting Taiwan this week, and praised the island democracy for its success in containing COVID-19 while criticizing China for its perceived failings.
Health and Human Services Secretary Alex Azar's visit to Taiwan over the weekend prompted scorn from the Chinese Communist Party, but the Trump administration official shot back, saying Beijing is still witholding the origin of COVID-19 from the world.
The U.S. continues to have the highest number of infections and deaths due to the virus of any country in the world.
Department of Health and Human Services Secretary Alex Azar told reporters on Friday that the "World Health Organization has failed in its responsibilities to demand accountability under the international health regulations."
Health and Human Services Secretary Alex Azar said Sunday he has not seen any spikes in new coronavirus cases in states that recently reopened "non-essential" businesses.
Secretary Alex Azar said "every single member of the administration" shared the concerns that Dr. Rick Bright expressed in his complaint.
Bright has said that top HHS officials pressured his division to promote an unproven drug for political reasons.
Coronavirus relief packages set aside $175 billion for a health care provider relief fund for hospitals treating the most vulnerable coronavirus patients, but experts told Newsweek the money likely will go to large hospital systems instead.
Three outlets reported that Alex Azar could be replaced as Health and Human Services secretary amid the ongoing coronavirus pandemic.
Former dog breeder Brian Harrison, Health and Human Services Secretary Alex Azar's chief of staff, reportedly held a key role in the early U.S. response to the coronavirus despite having limited experience in public health.
"We are gravely concerned that, due to multiple missteps, people across the country have been unable to get tested," a letter from the panel said.
"It is a very serious public health threat to the people of the United States," Alex Azar told Fox News.