Boston EMS said it responded to Logan Airport at approximately 9:20 am. with multiple units and transported the passengers to Massachusetts General Hospital.
The American Airlines flight, which originated in Miami, landed in Boston at 10:12 am.
An American Airlines spokesman said the people were transported to a school group. WCVB ABC5 the group visited the Galapagos Islands and Ecuador before arriving in Miami.
Boston EMS said the people's symptoms were minor in nature. The American Airlines spokesman said they were not feeling well.
One passenger of the flight said that people were desiting on the plane.
The chaperones reported that they were in the same group on Saturday night before they left Ecuador.
Massachusetts General Hospital said the patients were admitted as patients. Five have been released thus far and the remaining nine are all in good condition.