It was the loosiest-goosiest operation I ever saw, a veteran real estate broker says.

They responded with the same counterpassword that they had been given prior to leaving Puebla.

Even for the unprotected, those who are exposed can expect 90 percent effectiveness with a course of postexposure prophylaxis that includes hepatitis B immune globulin and initiation of hepatitis B vaccine.

He saw the dilemma. . . . It was a hard nut to crack. He could see no way out of it.