Mohammadreza Amiresmaili; Farzaneh Zolala; Mahmood Nekoei-Moghadam; Siavash Salavatian; Mohammadreza Chashmyazdan; Ahmad Soltani; jaber savabi
Volume 23, Issue 5 , 2021
Abstract
Introduction: Social networks can perform a peculiar role in people's communication in the case of crisis and disaster. These media are interactive, digital, or mobile-based tools. Accordingly, the present study aimed to assess the role of social media in earthquakes.
Materials and Methods: In this ...
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Introduction: Social networks can perform a peculiar role in people's communication in the case of crisis and disaster. These media are interactive, digital, or mobile-based tools. Accordingly, the present study aimed to assess the role of social media in earthquakes.
Materials and Methods: In this current systematic review, a query was conducted on such databases as Embase, Web of Science, Scopus, and Cochrane for articles in English language, based on the required criteria from 2000 to 2019 regarding the role of social media in disaster. As a result, 13,924 studies were retrieved, among which 3,963 were deleted due to duplication. Finally, among 244 selected articles, 19 full-text articles were analyzed.
Result: In the present research, 19 studies were thoroughly reviewed. The findings were assigned to four main categories (identification, notification, requests, as well as storage and retrieval of information) with 12 sub-topics. Most of the main topics and subsets were as follows: medical and food needs, information about the accident, as well as medical and relief services, efforts to save lives, the amount of damage, problems and limitations, post-crisis measures, such as keeping calm, reducing anxiety, avoiding high-risk areas, asking for financial assistance, as well as using the information to provide relief and map the affected areas and evacuation centers.
Conclusion: Considering the behavior of people in different geographical locations in the earthquake crisis, it seems that the case study of how to use social media in disaster management carries profound implications for modeling and localizing the cases in related disaster management institutions of many different countries, such as Iran.
Khodadad Sheikhzadeh; Ali Akbar Haghdoost; Abbas Bahrampour; Ahmad Raeisi; Farzaneh Zolala; Farshad Farzadfar; Amir Kasaeian; Mahboubeh Parsaeian
Volume 19, Issue 4 , April 2017, , Pages 1-8
Abstract
Background: Over the past years, the malaria elimination program has considerably decreased the malaria indigenous cases and confined their incidence to the southeastern areas of Iran encompassing 28 less developed counties with favorable transmission conditions.Objectives: The aim of the study was to ...
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Background: Over the past years, the malaria elimination program has considerably decreased the malaria indigenous cases and confined their incidence to the southeastern areas of Iran encompassing 28 less developed counties with favorable transmission conditions.Objectives: The aim of the study was to investigate the effects of climatic and socioeconomic indicators on malaria transmission and to predict malaria transmission risk until 2025 for all the southeastern endemic counties in Iran.Methods: The aggregated data from indigenousmalaria cases, as well as, climatic and socioeconomic indicators of malaria endemic areas were collected on the monthly basis from each county between 2005 and 2015. The collected variables were, then, estimated until 2025 using time series analysis. Considering the nature of these data, two different multilevel models were implemented for vivax andfalciparum based on the socioeconomic variable that was used. Finally, applying two differentmodels, two sets of estimates were obtained for malaria transmission risk in each county.Results: The annual decline of malaria transmission was estimated to be 17% based on model 1, and 25% based on the model 2 for vivax (P < 0.001). These estimates were 13% and 21% for falciparum (P < 0.001), respectively. For every increased unit in the wealth index, malaria transmission for vivax and falciparum decreased by 33% (P = 0.001) and 12% (P = 0.54), respectively. Also, for every increase in the mean years of schooling, the transmission decreased by 65% (P < 0.001) and 57% (P = 0.001) for vivax and falciparum. Conclusions: The results of this study, using climatic variables along with socioeconomic variables, indicated the obvious influence of socioeconomic status improvement on decreasing malaria transmission. According to the results, malaria transmission risk will considerably diminish in the next few years. The pattern of malaria transmission decline was consistent with the declining trend of malaria incidence which will move from the west to the east and from the north to the south in the years to come. The transmission risk for falciparum was considerably lower than that of vivax and the endemic areas of falciparum move towards 0 faster than vivax.
Sana Eybpoosh; Abbas Bahrampour; Kayhan Azadmanesh; Ehsan Mostafavi; Ali Akbar Haghdoost; Farzaneh Zolala
Volume 19, Issue 2 , February 2017, , Pages 1-13
Abstract
Background: The origins and spatio-temporal dynamics of the HIV-1 subtype B and CRF01_AE clades are largely unknown in Iran.Objectives: This study investigates the origins and spatio-temporal dynamics of HIV-1 subtype B and CRF01_AE clades in Iran using the most recent phylogeographic methods.Methods: ...
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Background: The origins and spatio-temporal dynamics of the HIV-1 subtype B and CRF01_AE clades are largely unknown in Iran.Objectives: This study investigates the origins and spatio-temporal dynamics of HIV-1 subtype B and CRF01_AE clades in Iran using the most recent phylogeographic methods.Methods: This Bayesian phylogeographic study examined HIV-1 sequence data available in the Los Alamos HIV databases. For the purposes of this study, we retrieved all the eligible time-stamped and geo-referenced HIV-1 subtype B (pol p66 and p51 RT) and CRF01_- AE (gp160) sequences from Iran. The majority of these data were obtained from studies using convenience and snowball sampling. Evolutionary and phylogeographic parameters were jointly estimated for each clade using BEAST software v.1.8.1. A Bayesian stochastic search variable selection method, with a threshold of 3.0 for the Bayes factors test, was used to obtain significant migration rates of the virus.Results: Our results suggest that the subtype B epidemic was introduced to Iran from Southern China, Germany and the USA. Although the migration rate from the USA to Iran was found to be statistically insignificant, the results suggested that the USA was the earliest exporter of the subtype B to Iran (i.e. since 1974, 95% Highest Posterior Density (HPD): 1966-1974). Moreover, based on our findings, the CRF01_AE clade was first introduced to Iran from Thailand (1988, 95% HPD: 1986 - 1990). Among the factors contributing to the transmission of subtype B to Iran from Germany is the transit of goods and long-distance truck driving. However, the factors behind the transmission of this clade from the USA and Southern China remain unknown. Similar to many countries, the introduction of CRF01_AE from Thailand might be attributed to sex tourism.Conclusions: There is evidence to suggest that subtype B and CRF01_AE were introduced to Iran through multiple pathways and origins, including Germany, Southern China, the USA, and Thailand. Factors such as international trade, the transit of goods, and tourism are among themost likelymethods for transmission of these clades. However, the existing preventive strategies in Iran have been mostly focused on other risk groups, including sex workers and intravenous drug users. The findings of our study highlight the need for the further development of targeted preventive strategies, such as educational interventions, aimed at tourists, truck drivers, and people involved in international trade and transactions in order to prevent the onward transmission of disease.
