Can a single case of a disease represent an epidemic?
Sometimes, experts consider a single case of a contagious disease to be an outbreak.
An epidemic is when an infectious disease spreads quickly to more people than experts would expect.
It usually affects a larger area than an outbreak.
What is the name of the first major epidemiological study of chronic disease?
In 1948, an epidemiologic study was launched in Framingham, Massachusetts, to investigate factors that might be causing the problem. It was the first major epidemiologic study of a chronic disease.
What factors may be considered when measuring socioeconomic status?
Socioeconomic status. Socioeconomic status (SES) is a broad concept that includes such factors as educational attainment, occupation, income, wealth, and deprivation. There are three broad theories of how socioeconomic status might relate to health.
What disease decimated the native American populations because they had no immunity to it?
Many of the diseases, such as syphilis, smallpox, measles, mumps, and bubonic plague, were of European origin, and Native Americans exhibited little immunity because they had no previous exposure to those diseases. This caused greater mortality than would have occurred if these diseases been endemic to the Americas.