Anthony Fauci, the nation’s top infectious diseases expert, is advising Americans to not wait for certain COVID-19 vaccines to become available before getting inoculated. “When a vaccine becomes available, take it,” Fauci told Savannah Guthrie during an interview on the "Today" show Thursday. “This is a race, Savannah, between the virus and getting vaccines into people. The longer one waits on getting vaccinated, the better chance the virus has to get a variant or a mutation,” Fauci said. “So, the sooner we get vaccine into the arms of individuals, whatever that vaccine is ... once it gets by the FDA...