Americans need to 'hunker down' this fall and winter as Covid-19 pandemic will likely worsen, Fauci says
Adults with Covid-19 about 'twice as likely' to say they have dined at a restaurant, CDC study suggests
Colleges in all 50 states report coronavirus cases as clusters linked to fraternities and sorority parties grow
More than 2,100 University of Tennessee students and staff are quarantined or isolated due to Covid-19
