"This week is the same as Pearl Harbor attack and 9/11 terrorist attacks."
Adams, who is in charge of public health policy in the U.S. government, said on Wednesday an NBC television program on Wednesday, "This is a time like Pearl Harbor and the 911 terrorist attacks. This is the most difficult time in the world. "
He added, "If you want to curb the spread of the infection, all people must play their part." He urged staying home to stay out.