translation.en: That has sparked cholera epidemics in ports along the world and has led to increased concentration on trying to make sure shipping doesn't move these vectors of cholera around the world.
translation.zh: 这引发了霍乱病 沿着港口传向整个世界 并迫使人们注意到 要努力不让船只 成为向世界传播 霍乱病的传染源。