Tropical diseases bulletin . eives attention, and the different types of (4602) 2 D 388 Tuberculosis in the Tropics. [Dec. 15, 1921, clinical manifestation of the disease in the varying age-groups,as well as the mortality in relation to age, are dealt with in avery thorough manner. The increase of the mortality from tuber-culosis with advancing years is confirmed by extracts fromthe statistical studies of many authors. The question of heredityand hereditary predisposition is discussed, and the view is taken thatthe increased mortality amongst the children of infected parents isasso
Tropical diseases bulletin . eives attention, and the different types of (4602) 2 D 388 Tuberculosis in the Tropics. [Dec. 15, 1921, clinical manifestation of the disease in the varying age-groups,as well as the mortality in relation to age, are dealt with in avery thorough manner. The increase of the mortality from tuber-culosis with advancing years is confirmed by extracts fromthe statistical studies of many authors. The question of heredityand hereditary predisposition is discussed, and the view is taken thatthe increased mortality amongst the children of infected parents isassociated with infection at a susceptible age rather than with aninherited disposition, but the possibility of a transmission of resistanceto infection as an inherited character is looked on with more favour. Mortality from Tuberculosis in Rio de Janeiro. Quinquennia] co-efficients per 1,000inhabitants, 1860-1919. Note.—From 1903 onwards the figuresinclude the mortality in suburban as wel!as urban zone. URBAN 4- suburbkkZones. Discussing the infection of adults, the author points out that thpbreaking down of resistance and the appearance of active diseaseis not always due to reinfection, but often attributable to alcohol,self-indulgence, acute infectious diseases, and so on. Much stress islaid upon the results that may be expected to follow education of themasses in personal hygiene, and the wise proverb is quoted: Ondenao entra o sol, entra o medico; e onde nao penetra o ar, penetra amorte. (When the sun is shut out, the doctor comes in ; if theair is kept out, death enters.) In the number of 3rd September Dr. Pontes concludes hisobservations upon tuberculosis and deals with the question of Vol. 18. No. 5.] Tuberculosis in the Tropics. 389 prevention. Having in view the extremely wide diffusion of the dis-ease, tuberculous infection may, in the opinion of the author, beregarded as practically universal amongst those who pass their livesin urban communities, and for this reason
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