By using the best evidence available at the time, hundreds of additional deaths were avoided. If government officials in London had demanded absolute certainty, the epidemic might have continued for another 30 years until the cholera bacterium was identified.
通过采用当时能够获得的最好的证据，成百上千的伦敦市民免受了死亡威胁。如果伦敦的政府官员执意要绝对的确定性，那么这场疾病可能会继续肆虐30年，直到霍乱病菌被发现识别为止。