Baku, April 23, AZERTAC Boston emergency responders said in a statement on Twitter that they transported 13 patients from Boston Logan International Airport to Massachusetts General Hospital at 9:20 a.m., all with minor symptoms. The teens, ages 15 to 17, were part of a group of about 40 people who were returning from a student trip to Ecuador, Fox News reported. The group had a connecting flight in Miami.An American Airlines representative told Fox News the students had dined at the same restaurant in Ecuador the night before. A Massachusetts Port Authority spokeswoman, Samantha Decker, told the Associated Press that 16 passengers reported feeling ill on the flight. Decker said the passengers` symptoms appeared mild. She did not have any further information on what might have caused the illness.