On Tuesday's broadcast of CNN's "AC360," Surgeon General Dr. Vivek Murthy said that we're "trying to figure out" whether the blood clots among six people who have received the Johnson and Johnson coronavirus vaccine are actually related to the vaccine, and that another reason for the pause of the administration of the J&J vaccine is to get help from medical professionals inĀ "looking for the kind of symptoms we may be concerned about and then have them report it."