Fauci to begin 'modified quarantine'
By Jake Tapper
Fauci becomes third member of White House coronavirus task force to enter quarantine
By Monica Alba & Alicia Victoria Lozano
CDC director self-quarantining after exposure to person at the White House who tested positive for Covid-19
By Wes Bruer & Jeremy Diamond
3 top U.S. health chiefs enter self-quarantines
By Dan Goldberg