1 Private day trip on a yacht for up to four people through Corales del Rosario Islands with lunch and soft drinks on board prepared by a private chef (once per stay). 2  Swim and snorkel in the clear waters of the Caribbean Sea. 3  Dinner for two, six course dinner for two in Alma Restaurant.
Medical Definition of diphtheria. : an acute febrile contagious disease typically marked by the formation of a false membrane especially in the throat and caused by a bacterium of the genus Corynebacterium (C. diphtheriae) which produces a toxin causing inflammation of the heart and nervous system.
Diphtheria is highly contagious. An untreated person who has diphtheria can spread the infection for up to a month. Within 48 hours of receiving antibiotics, however, people infected with diphtheria are usually no longer contagious.