(FILES) In this file photo an entry sign to the Johnson & Johnson campus shows their logo in Irvine, California on August 28, 2019. - President Joe Biden's administration anticipates distributing at least three million doses of Johnson & Johnson's Covid-19 vaccine should it receive emergency use authorization (EUA), White House Coronavirus Response Coordinator Jeff Zients said on February 24, 2021. "If an EUA is issued, we anticipate allocating three to four million doses of Johnson and Johnson vaccine next week," he said. (Photo by Mark RALSTON / AFP)