The kidneys often are involved during viral diseases, but seem to be peculiarly resistant to injury in contrast to other organs and tissues. They rarely bear the brunt of infection. Clinical evidence of viral nephritis or nephrosis seldom is of serious import and when it occurs it may be indistinguishable from that of other cause unless specific diagnostic criteria are fulfilled. With increasin...

" tropical" diseases under the following headings:? (l)due to protozoa; (2) due to bacteria; (3) due to filterable viroses ; (4) food deficiency diseases ; (5) helminthic infections; (6) Infectious granulomata; (7) skin diseases; and (8) tropical diseases of disputed nature or minor importance among which are Peruvian Wart; Oroya fever; heatstroke and heat prostration; river fever; spotted feve...