SPREAD OF TUBERCULOSIS 



445 



ways. Two modes of entrance of the germs into the body are 

 through inhalation to the lungs and through ingestion to the ali- 

 mentary tract, and thence to the lungs. The disease may be 

 actually spread from person to person by: (1) spray thrown out 

 in coughing and sneezing, a droplet method of infection ; (2) con- 

 taminated objects, such as drinking cups and pencils, handled or 

 used by a tubercular person ; (3) personal contact, such as kiss- 

 ing and handshaking, with an infected person ; (4) food infected 

 by being coughed on or handled by a tubercular person ; (5) dust 

 from street or car, containing dried sputum of a tubercular 

 patient ; (6) houseflies carrying tubercular germs on their bodies 

 may crawl over and infect food ; (7) milk and butter of tuber- 



TUBERCULOSIS AND OCCUPATION 



Percentage, Phthisis Deathrate in Specified Occupation 

 of Deathrate among Farmers. England and Wales, 1910-1912. 



PERCENT. 

 12000 

 617.5 

 161/4 

 761.4 

 1386 

 126.1 

 567.7 

 494.7 



OCCUPATION 

 Tin miners 



Cutlers, scissors makers 

 File makers 

 Barman 

 Peddlers 



Sandstone- masons 

 Lead miners 



Potters -earthenware mfr. 

 Laborers (unspecified) 4*1.4 

 Seamcn.otc(merchant service) 45&.I 

 Stone-masons 4ise 



Brass and bronze workers 4o&e 

 Shoemakers 3695 



Printers 366.4 



Hotel keepers, saloon keepers 3474 

 Vakhandcloclunal<m.jwd*rs 326. i 

 Tailors 3?i 



Glass manufacture 322.0 



Hatters 321.1 



Furriers 3193 



Brewers 317.5 



OCCUPATION 



Clerks 



Painters, decorators 



Copper workers, coppersmiths 



Machinists.boi!er-maltf(j.millwnjhts 



Carpenters, joiners 



Bricklayers 



Domestic coachmsn. grooms 



Wool, worsted manufacture 



Cotton manufacture 



All storekeepers 



Shipbuilding 



Coal miners 



Stationary engineers and firemen 



Iron-miners, quarriers 



Brick. P lainlle.terra-cotta mbn 



Ad/icultufal laborers 



Builders 



Motor car drivers 



Railway engine men 



Farmers, graziers, etc. 



PERCENT 

 270.2 



268.4 

 256.1 

 231.6 

 224.6 

 i246 

 217.5 

 217.5 

 210.5 

 209.3 

 166.7 

 133.3 

 133.3 

 120.1 

 128. 1 

 U4.6 

 121. 1 

 105.3 

 100.0 

 100.0 



Compile figures for your own country, state, or city and compare them with this table. 



(From Health and Wealth by Dublin, Harper & Bros.) 



cular cows. (The tuberculin test shows that 15 per cent of the 

 cows of to-day are infected with tuberculosis.) 



