The declining incidence of hepatitis A virus (HAV) infection in the Islamic Republic of Iran may be reducing the population's natural immunity. This was the first systemized, population-based survey of the seroprevalence of HAV antibodies in urban and rural inhabitants of Sari, Mazandaran province. Serum from 1034 individuals aged 1-25 years in 2007 were tested for anti-HAV lgG antibody using a...

Tuberculosis is one of the main causes of death worldwide. This study aimed to determine predictive factors for death in patients with tuberculosis to set priorities for public heath interventions to reduce mortality in these patients. This nested case-control study was carried out in Mazandaran province of Islamic Republic of Iran among tuberculosis patients who were treated during 2002-2009. ...

Center for Systems Integration and Sustainability, Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI 48823, USA. College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang Province 310058, China. Key Laboratory of Southwest China Wildlife Resources Conservation,Ministry of Education, ChinaWest Normal University, Nanchong, Sichuan Prov...

this study was performed with objective land cover change prediction (forest, agriculture, residential and orchard) using logistic regression and markov chain in the gis environment in east of mazandaran province. land cover change detected using satellite imageries belonging to the years 1987 and 2001. transition potential modeling was conducted using a logistic regression. seven variables (de...

the monobasic genus sphaeropothrips is recorded in iran for the first time. this is the fourth member of the thrips genus-group recorded from iran, and a key is provided to distinguish these four genera. information about these four genera is provided, and some problems in the recognition of true host-plant associations in iran are discussed.

one priority of planning at the regional level is to recognize the system of residence and particularly its urban system. one of the features of urban system in each area or country is the way of population distribution between the cities of these areas which is called city distribution size. in functional analysis of mazandaran province 41 development indexes of educational, cultural, social, ...

To determine the most prevalent biovar responsible for brucellosis in sheep and goat populations of Iran, a cross-sectional study was carried out over 2 years in six provinces selected based on geography and disease prevalence. Specimens obtained from referred aborted sheep and goat fetuses were cultured on Brucella selective media for microbiological isolation. Brucellae were isolated from 265...

The purpose of this study was to determine the constitution of the development model for cultural centers studied in Mazandaran Province. The basic elements of the eight developmental patterns for youth cultural centers in Mazandaran province which include religion, employment, national education, research, health, technology and communication show that the fundamental components of eight devel...