History of an Outbreak of Fever at over Darwen in the Autumn of 1861

Although the aetiology of continued fever has engaged the attention of so many able inquirers during the last few years, it must still be regarded as unsettled, seeing that such various views are entertained on the subject by observers who may equally lay claim to ability and impartiality. The time has, I think, not yet arrived when we may venture to speak dogmatically on the causation of fever, but there seems to be no doubt in the minds of those who have enjoyed the best opportunities of studying the subject practically, that there is often