WASHINGTON (Reuters) -The Biden administration on Wednesday launched a new website to provide a clearinghouse of information on COVID-19 as part of a continuing effort to prepare Americans to live with the coronavirus. The launch of COVID.gov comes a day after U.S. health officials approves a second booster shot for Americans age 50 and older and those who are immunocompromised, two years after the start of the pandemic. President Joe Biden, who turned 79 in November, will receive his fourth dose of a COVID vaccine later on Wednesday when he delivers an update on the nation’s fight against COV…