"They tipped him when he went to school; when he had the hooping-cough, a confidential young clerk went round by way of Grey"
"Some of them I found had hooping-cough, which is one of the few epidemics that range through this country."
"European dress — various forms of indigestion and ophthalmia; hooping-cough comes frequently; and every year the period preceding the rains is marked by some sort of epidemic."