It took much longer than sometimes we like to think in this story, but by 1866, when the next big cholera outbreak came to London, the authorities had been convinced -- in part because of this story, in part because of this map -- that in fact the water was the problem.
我々の推測よりだいぶ長くかかりましたが 次にロンドンでコレラが大流行する1866年までには 保健当局はこの話や、この地図のおかげもあって 実は水に原因があると信じるに至ったのです