The disease was described as dysentery.

On the 10th and 11th we had very sultry weather, and were dreadfully tormented by musquitoes.

The highest temperature was 73 deg..
_July 13_ .-- This morning Mr.Back and I had the sincere gratification of welcoming our long-separated friends, Dr.Richardson and Mr.Hood, who arrived in perfect health with two canoes, having made a very expeditious journey from Cumberland, notwithstanding they were detained near three days in consequence of the melancholy loss of one of their bowmen, by the upsetting of a canoe in a strong rapid; but, as the occurrences of this journey, together with the mention of some other circumstances that happened previous to their departure from Cumberland, which have been extracted from Mr.Hood's narrative, will appear in the following chapter, it will be unnecessary to enter farther into these points now.
The zeal and talent displayed by Dr.Richardson and Mr.Hood, in the discharge of their several duties since my separation from them, drew forth my highest approbation.

These gentlemen had brought all the stores they could procure from the establishments at Cumberland and Isle a la Crosse; and at the latter place they had received ten bags of pemmican from the North-West Company, which proved to be mouldy, and so totally unfit for use, that it was left at the Methye Portage.

They got none from the Hudson's Bay Post.