Background & Aim: Development of an integrated health information system in order to prioritization of needs, sources devoting, diseases surveillance detecting and early responding is very important. Therefore, this comparative study has been done about natural disaster health information systems in Iran, Japan, and U.S.A in 2005. The aim is to provide logical proposes to reinforce for developing the Iranian natural disaster health information system.

Methods & Materials: This is a descriptive and comparative study that was accomplished in form of cross sectional survey. The data was extracted from literature, papers, Iranian & foreigner journals, e-mails and other related document.

Results: Natural disaster health information system in U.S.A illustrates that there is integration and consistency between responsibilities and roles are played between involving organizations and entities. The required data for natural disaster health information system collected through National Electronic Disease Surveillance System, Pulse Net, Bio Watch, Bio Net, Syndromic Surveillance System, and “the American Red Cross-Centers for Disease Control and Prevention health Impact Surveillance System” in U.S.A and Early Estimation System and Emergency Measures Support System in Japan and Diseases Surveillance in Iran. However, in spite of U.S.A and Japan there is no classification system in Iran.

Conclusion: According to the results, Iranian natural disaster health information system can be improved by using of different data gathering methods, systems and soft wares, also applying of geographical information system and establishing health and natural disaster network and using of classification of diseases advised to up grade natural disaster health information system for Iran.

Background & Aim: Quality of life indicates the level of individual’s satisfaction or dissatisfaction with the different aspects of life and has specific characteristics at each stage of life. The quality of life in the elderly may be influenced by death anxiety and depression. The aim of this study was to evaluate the relationship of depression and death anxiety to the quality of life among the elderly population.

Methods & Materials: This study was a cross-sectional research conducted on 294 elderly living in Saghez in 2016. Samples were selected through convenience sampling. The 12-Item Short Form Health Survey (SF-12), Geriatric Depression Scale (GDS) and Death Anxiety Scale were used to gather the data. Data were analyzed using descriptive statistics, the Kolmogorov-Smirnov test, Pearson correlation coefficient and linear regression by Enter method. The level of significance was considered P<0.05.

Results: The mean (and standard deviation) scores for the quality of life, depression and death anxiety among the studied elderly were respectively 33.22±7.81, 4.92±3.82 and 33.63±7.40. There was a significant relationship between depression and the quality of life (P<0.0001) but there was no significant relationship between the quality of life and death anxiety.

Conclusion: Depression is a common problem among the elderly and related to their quality of life. When assessing the quality of life in the elderly, paying attention to their depression is necessary. Appropriate diagnosis and management of depression can improve the quality of life in the elderly.