500 
PREVENTION OF DISEASE 
Government inspection of meats is lessening the amount 
of disease contracted from eating diseased pork, other meat, 
and fish. The United States Department of Agriculture is 
making every effort to inspect such products, and the 
department is fairly successful in inspecting the larger 
establishments. Many cattle and hogs, however, are killed 
and sold locally and they escape inspection, so that buyers 
Figure 428. — Malarial Swamp. 
An ideal place for mosquitoes to breed. 
of this meat have no protection against a general condition 
of disease. 
Another danger to health is from the people known as 
“ carriers ” of disease, as such people give no evidences of 
illness. Typhoid and diphtheria are the two diseases 
most likely to be carried in this way. Many of these carriers 
serve as cooks, and as they give no evidence of being in 
other than perfect health, they often spread the germs 
through the food they prepare. If habits of absolute clean¬ 
liness are insisted upon, much of the danger of the dissemi¬ 
nation of germs in this way may be removed. 
