Precautions taken to prevent diseases in New York, United States. A woman with a child is about to enter a house. A notice by the Department of Health at the entrance reads that people should not enter the building as it is infected by scarlet fever. The woman reads the notice and returns.
Precautions taken to prevent diseases in the United States. Officials and people stand. They check the evidences of successful vaccination of foreigners.
Precautions taken to prevent diseases in New York, United States. Strata charts show a decrease in the deaths due to small pox in New York city after the systematic vaccination that began in 1875.
Precautions taken to prevent diseases in New York, United States. Bar diagrams show the deaths in 1890 due to diphtheria before the use of antitoxin and significant reduction in the death toll after its use in 1920.
Precautions taken to prevent diseases in the United States. A doctor inoculates a small amount of diphtheria toxin to a girl during the Schick test. A red spot on the hand of the girl. The doctor inoculates antitoxin to the girl.
A graph shows a sudden increase in the deaths due to influenza in New York City during the 1918 Spanish flu epidemic. Spike in the graph is shown for the 1918 influenza outbreak. Slide states "A steady decline of the death rate is shown by communities in which an intelligent public uses the results of scientific knowledge." A strata chart shows the deaths per one thousand people during the period from each of pneumonias, tuberculosis, and cerebro-spinal meningitis, and then deaths from the diseases summed. A chart at the end reads, "What sciences hope to do" and then it reads "Reduce all transmissible diseases to 0 - With the cooperation of an intelligent public."
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