US should 'seriously' consider vaccine mandate for domestic flights: Fauci

WASHINGTON — Dr. Anthony Fauci, the top U.S. infectious disease expert, said Monday that the U.S. should “seriously” consider a vaccination mandate for domestic travel. Speaking to MSNBC, Fauci, who serves as President Joe Biden’s chief science adviser on the COVID-19 response, said “When you make vaccination a requirement, that’s another incentive to get more [...]