Contagious diseases. Prevalence of communicable diseases, diphtheria, measles, poliomyletis, Rocky Mountain spotted, or tick, fever, scarlet fever, septic sore throat, tuberculosis, typhoid fever, typhus fever, and smallpox, cases reported, case rates per thousand population, and fatality rates per hundred cases during 1912 and first 6 months of 1913, in certain States.