Health effects of marine bathing in New Zealand

agua de mar bacteria coliforme beaches coliform bacteria digestive system diseases eau de mer enfermedades del sistema digestivo enfermedades humanas enfermedades respiratorias enterococcus epidemiologia epidemiologie epidemiology escherichia coli faeces feces gastrointestinal diseases genre humain heces human diseases loisir maladie de l'appareil digestif maladie de l'homme maladie respiratoire mankind plage playas recreation respiratory diseases riesgo risk risk factors risque sea water