Coronavirus updates: 1st vaccines now on the way to all 50 US states
Two main trucks left the Pfizer facility on Sunday morning, the company said.
A pandemic of the novel coronavirus has now infected more than 71.5 million people and killed over 1.6 million worldwide, according to real-time data compiled by the Center for Systems Science and Engineering at Johns Hopkins University.
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Mexico approves emergency use of Pfizer-BioNTech vaccine
Mexico approved emergency use of Pfizer and BioNTech's COVID-19 vaccine on Friday.
The announcement came shortly before the U.S. Food and Drug Administration said that it had authorized Pfizer's vaccine. Mexico has recorded over 1.2 million cases and 113,000 deaths -- fourth-most globally behind the U.S., Brazil and India.
The United Kingdom, Bahrain and Canada have also authorized the vaccine.
FDA authorizes Pfizer-BioNTech vaccine for emergency use
The U.S. Food and Drug Administration has authorized Pfizer and BioNTech's COVID-19 vaccine for emergency use.
President Donald Trump announced the news on Twitter.
The move comes a day after the FDA's advisory committee recommended that the U.S. government authorize the nation's first COVID-19 vaccine for people over the age of 16.
The first vaccine will be administered in less than 24 hours, Trump said Friday night.
Health and Human Services Secretary Alex Azar told "Good Morning America" Friday morning that up to 20 million Americans will be vaccinated this month.
US sees record-breaking cases, current hospitalizations
The U.S. broke records in new COVID-19 cases and current hospitalizations on Friday, according to the COVID Tracking Project.
There were 232,105 new cases, and 108,044 people are currently hospitalized with the virus, the project reported.
The seven-day average for new COVID-19 cases, deaths and current hospitalizations also reached new highs on Friday, it found.
Nevada, South Dakota and Arizona now lead the nation in current hospitalized patients per million people, according to the tracker.
New cases, deaths continue to increase week-over-week, HHS memo shows
After a slowdown in reporting and testing over the Thanksgiving holiday, week-over-week COVID-19 numbers continue to show dramatic increases in new cases and deaths, according to an internal U.S. Department of Health and Human Services memo obtained by ABC News Friday night.
From Dec. 5 to 11, there was an 18.1% increase in new cases and a 26.9% increase in new deaths compared with the previous week, the memo said.
Across the country, 31% of hospitals have more than 80% of their intensive care unit beds filled, and 31% of ventilators in use are occupied by COVID-19 patients, HHS said. Additionally, 21% of inpatients have COVID-19, nearing the all-time peak of 24%.
Cases are sharply rising in Alaska, California, Connecticut, Maine, Massachusetts and Utah, the memo noted. Maryland, South Dakota and Wyoming have also seen a surge in COVID-19 fatality rates.
-ABC News' Josh Margolin
Biden announces key members of health team
U.S. President-elect Joe Biden on Monday announced key nominations and appointments of his health team, a slate of experts and public officials who will lead his administration's response to the coronavirus pandemic.
"This trusted and accomplished team of leaders will bring the highest level of integrity, scientific rigor and crisis-management experience to one of the toughest challenges America has ever faced -- getting the pandemic under control so that the American people can get back to work, back to their lives and back to their loved ones," Biden said in a statement. "This team of world-class medical experts and public servants will be ready on day one to mobilize every resource of the federal government to expand testing and masking, oversee the safe, equitable and free distribution of treatments and vaccines, reopen schools and businesses safely, lower prescription drug and other health costs and expand affordable health care to all Americans, and rally the country and restore the belief that there is nothing beyond America's capacity if we do it together."
California Attorney General Xavier Beccera is nominated to serve as the Secretary of Health and Human Services.
Dr. Vivek Muthy, a physician and research scientist, is nominated to be the Surgeon General, a role he served during the Obama administration.
Dr. Rochelle Walensky, an expert on virus testing, prevention and treatment, is nominated to serve as director of the Centers for Disease Control and Prevention.
Dr. Marcella Nunez-Smith, an expert on health care disparities, will serve as the COVID-19 Equity Task Force Chair.
As Biden said last week, Dr. Anthony Fauci will stay on in his current role as director of the National Institute of Allergy and Infectious Diseases. Fauci will also serve as Biden's chief medical adviser on COVID-19.
Jeff Zients, co-chair of Biden's transition team who led the Obama administration's National Economic Council, will serve as coordinator of the COVID-19 Response as well as counselor to the president.
Natalie Quillian, a national security expert, will serve as deputy coordinator of the COVID-19 response.
ABC News' John Verhovek contributed to this report.