| notes from the field: imported cases of malaria--puerto rico, july-october 2015. | on july 16 2015, the puerto rico department of health (prdh) was notified of a case of malaria, diagnosed by a hospital parasitology laboratory in a student who had traveled to punta cana, dominican republic, during late june for a school-organized graduation trip. malaria is a mosquito-borne parasitic infection, characterized by fever, shaking chills, headaches, muscle pains, nausea, general malaise, and vomiting (1). malaria can be clinically difficult to distinguish from other acute febrile i ... | 2016 | 27030910 |