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The article focuses on the epidemiological influence of psychosocial factors in the disease etiology. It has been believed that environment contributes in the etiology of disease such as air, water, places, microorganisms and microchemicals. However, there are other factors that should be considered in the study of animal work including animal crowding. With factors under human environment such as social disorganization, social buffers, domination and subordination, which all result to the distribution of a disease.

A prospective epidemiological study on a large population of elderly persons was carried out to investigate the incidence of cerebrovascular attack (stroke) and its relationship to other variables, particularly preexisting cardiovascular disease. [ABSTRACT FROM AUTHOR]

A retrospective epidemiologic analysis of human salmonellosis in Hawaii suggests that the reported incidence is seven to eight times higher than in the rest of the United States, and discusses the reasons for this difference. Hogs and hog products are a chief reservoir and vehicle of transmission to humans. [ABSTRACT FROM AUTHOR]

An outbreak of measles on the island of Ponape led to a study of the epidemiology of the disease in the United States Trust Territory of the Pacific Islands. The authors' report on the critical number of susceptibles necessary for secondary transmission, the time intervals needed for accumulation of susceptibles, and a mathematical model used to predict such intervals, [ABSTRACT FROM AUTHOR]

Results of epidemiologic studies using human, canine, and feline index cases do not support the hypothesis that malignant neoplasms can be transmitted from one species to another. Serological and virological tests offer new means for a more definitive study of this problem. [ABSTRACT FROM AUTHOR]

Gonorrhea is a major communicable disease in the United States. Control is difficult because of important gaps in knowledge. One method of control is contact tracing. Men and women diagnosed as having gonorrhea were interviewed to determine the relative effectiveness of interviewing in identifying contacts and providing treatment for infected persons. Findings are presented and discussed. [ABSTRACT FROM AUTHOR]

A study was made to determine whether an approach designated as selective gonorrhea epidemiology uncovered enough new cases to warrant the effort. The method is described and the approach constituted 41.4% of those treated for gonorrhea in 1970 at the Norfolk Venereal Disease Clinic. [ABSTRACT FROM AUTHOR]