title: Marine mammals succumbing  to dual parasite infections.
mesh_terms: D000818:Animals; D001955:British Columbia / Q000453:epidemiology; D010872:Caniformia / Q000469:parasitology*; D002591:Cetacea / Q000469:parasitology*; D015897:Comorbidity; D015205:Northwestern United States / Q000453:epidemiology; D012522:Sarcocystis / Q000302:isolation & purification; D012523:Sarcocystosis / Q000453:epidemiology / Q000469:parasitology / Q000473:pathology / Q000662:veterinary*; D014122:Toxoplasma / Q000302:isolation & purification; D014124:Toxoplasmosis, Animal / Q000453:epidemiology / Q000469:parasitology* / Q000473:pathology; D014481:United States