Texas Medical Journal Vol 21 PDF Download

Excerpt from The Texas Medical Journal, Vol. 20: A Monthly Journal of Medicine and Surgery; July, 1904, to June, 1905, Inclusive It was known that the parasite being a heavy body could not float in the air, and yet it was evident that the disease came through the air. Experiment proved that the parasites could not enter the blood by way of the stomach. Water and food containing the germs were harmless when swallowed. Additional observations made it clear that some insect must be the medium of conveyance. Finally it was demonstrated that the mosquito was the intermediate host through which the disease was propagated. Not all mosquitoes are alike guilty, but one particular species known as Anopheles, and of the species the Anopheles claviger are the most dangerous. The mystery that so baffled the patient investigation of physicians was now cleared up. It is known that the malarial bearing mosquito is active only at night. Hence persons may sleep with perfect im munity in the thoroughly infected swamps if protected from sun down to sunrise by mosquito-bars. This fact has been proved by a large number of experiments, two of which will now be related: In that dangerous region, the Campania (near Rome, Italy), Dr. Sanbron and a friend Spent the nights from June to September. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.