Five hundred and thirty cases of spring catarrh were studied at the Department of Ophthalmology, Khyber Hospital Peshawar, Pakistan. Corneal complications occurred in 259 patients, of which 48 cases were of keratoconus, consisting of 41 male and seven female patients. Most of the patients affected (37) were between the ages of 10 and 30 years. Six patients developed acute hydrops, which in one ...

A disease syndrome referred to as infectious catarrh, encountered under natural conditions of exposure in a rat colony, was transmitted to selected animals and maintained for 5 years by nasal instillation or contact. During this period 37 passages were made in 156 rats, the rates of pneumonia, otitis media, and rhinitis being 28, 63, and 87 per cent, respectively. After the 12th passage, Brucel...

Sir,?I am not attempting in this letter to give any elaborate or comprehensive history of the disease, nor do I consider it necessary to tire my readers by a repetition of its etiology, symptoms or pathological manifestations so ably and voluminously narrated in any good text-book of medicine. I shall only give, in brief, a few features of this disease that came to my notice in the recent epide...