background: unintentional drug intoxication is still a major cause of mortality and morbidity in young children. method & materials: in order to study changes of epidemiological indices of children intoxication during a 10-year period in hamadan province, all cases admitted to ghaem hospital from 1995-1999 were recruited, and compared with all cases admitted to the same hospital from 1990-1994....

evidence provided from studies in iran points to a possible bias in application of the standard epi cluster sampling procedure, when carried out in populations with highly variant birth rates, tends to over-represent the low birth rate, i.e. higher socio-economic, strata, and if the entity under study shows significant socio-economic gradient, then the estimates arrived at by this method might ...

Definitions of epidemiological concepts regarding disease monitoring and surveillance can be found in textbooks on veterinary epidemiology. This paper gives a review of how the concepts: monitoring, surveillance, and disease control strategies are defined. Monitoring and surveillance systems (MO&SS) involve measurements of disease occurrence, and the design of the monitoring determines which ty...

The possible hazards of occupational exposure on the reproductive health of workers is of great interest. In this review, epidemiological study designs suitable for reproductive studies and sources of outcome and exposure data are described with a few examples. Studies have been conducted on hormonal changes, semen quality, fertility, and various outcomes of pregnancy, e.g., spontaneous abortio...

a clinical and epidemiological comparison of the cutaneous leishmaniasis was carried out among 100 victims of cutaneous leishmaniasis who were living in the villages of isfahan area, and 100 other patients of the lesions have been determined and analyzed. comparison of patients of the city with that of neighboring villages shows that both type of cutaneous leishmaniasis are prevalent in isfahan...

background and aims: since the epidemiological, clinical and experimental characteristics of meningitis are different for various locations, this study was conducted to investigate the characteristics of meningitis patients admitted to hospitals of yazd in the 2009 to 2013. materials and methods: in this cross-sectional and descriptive study, all 261 patients with meningitis were considered in ...