The differential blood count in dengue / by W.L. Harnett.

  • Harnett, W. L.
Date:
1913
Catalogue details

Licence: Public Domain Mark

Credit: The differential blood count in dengue / by W.L. Harnett. Source: Wellcome Collection.

    3/24
    (No. 2, Feb. 1913). THE DIFFERENTIAL BLOOD COUNT IN DENGUE, By W. L. HARNET'T, M.B., F.R.C.S., CAPT,, I.M.S., Civil Surgeon, Kamrup, Assam. Tue epidemic of dengue which prevailed in Calcutta during the past hot weather followed the course usually attributed to this disease of appearing first in coast towns and travelling inland by way of the valleys of the great rivers. Ido not know when the first cases were recognised in Calcutta, but the disease appeared in Gauhati, Assam, about the fourth week in May, when 1 saw atypical case with a remarkably well developed rash in a Kuropean. By the end of the month two other Europeans living in the next bungalow had been attacked and nearly ali their servants. I heard soon afterwards that there were numerous cases in the town and that the disease was widely prevalent in the lower valley of the Brahmaputra, and, on enquiring at the Civil Hospital from the medical subordinates who were in charge of the out-patient department, [ learnt that cases of fever accompanied by headache and lumbar pain were presenting themselves daily. At my request a number of convalescent cases were brought before me ; their descriptions of their symptoms showed that the diagnosis of dengue was correct, and on examining films of the blood the changes which I shall describe below and .which I now regard as characteristic of the con- valescent stage of the disease were found in every case. a—l
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