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- 



TUBERGULOSIS AND OCCUPATION 



Percentd^Q, Phthisis Deathrate in Specified Occupation 

 of Deathrate amon^ Farmers. England and Wales, ieiO-1912. 



PERCENT 

 12000 

 617.5 

 161.4 

 161,4 

 1366 

 126.1 

 567.7 

 494.7 

 461.4 



OCCUPATION 

 Tin miners 



Cutlers, scissors makers 

 File makers 

 Barmert 

 Peddlors 



Sandstone- masons 

 Lead miners 



Potters -earthenware mfr. 

 Laborers (unspecified) 

 Seamcn.etc(mcrchant service) 45s.i 

 Stone-masons 415 6 



Brass and bronze workers 4o»6 

 Shoemakers sess 



Printers 3664 



Hotel keepers, saloon keepers 3474 

 Watch and cteckmakefs, jewelers 328. 1 

 Taitors 326 1 



Glass manufacture 322.6 



Hatters 321.1 



Rjrriers 3193 



Brewers 311.5 



neetnr m mtttetos — • 



OCCUPAVON 

 Clerks 



Painters, decorators 

 Copper workers, coppersmiths 

 Machinisb, boiler-makcfs. millwnjhts 

 Carpenters, Joiners- 

 Bricklayers 



Domestic coachiien. grooms 

 Vtooi, worsted manufactuna 

 Cotton manufacturs 

 All storekeepers 

 Shipbuilding 

 Coal miners 



Stalionan^ engineers and firemen 

 Iron-miners, quarriers 

 Bfick.plain tile, terra-colta makers 

 Agricultural laborers 

 Builders 



Motor car drivers 

 Railway engine men 

 Farmers, graziers, etc. 



KeetHT A KUHDBCDS — I 



J 



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

 {From Health and Wealth by Dublm, Harper & Bros.) 



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

 cows of to-day are infected with tuberculosis.) 



