Iran warns virus could kill 'millions' in Islamic Republic
US, Canada working on mutual ban on non-essential travel
China to expel American reporters after US curbs its media
Putin orders Russian constitutional vote despite virus fears
The Latest: Wuhan reports 1 new viral infection for 2nd day
Canadian official: US, Canada working on proposed mutual ban on non-essential travel
G-7 leaders try to ease tension, vow to coordinate on virus
India's restrictive criteria for virus testing may mask toll
