President Joe Biden has set a goal to administer at least 100 million Covid vaccine doses during his first 100 days in office, but warned it will be very difficult to achieve herd immunity in the U.S. by the end of summer. Biden's cautious remarks — in an interview aired on Sunday ahead of the Super Bowl — are in line with the warnings of scientists and public health officials. Dr. Anthony Fauci has said at least 75% of the public would need to be inoculated against Covid-19 to achieve herd immunity. Biden also said during the interview that he was exploring new ways to quickly vaccinate more Americans.
Here are some of the biggest developments Monday:
The U.S. is recording at least 117,000 new Covid-19 cases and at least 3,100 virus-related deaths each day, based on a seven-day average calculated by CNBC using Johns Hopkins University data.
The following data was compiled by Johns Hopkins University: