Hassan Nasirian

Tehran University of Medical Sciences | TUMS · Department of Medical Entomology and Vector Control Campaign

Pediculus capitis infests the human scalp, affecting people in all nations and having worldwide distribution. There are no studies on global P. capitis infestation and trends related to parameters of gender, years, seasons, months, hemispheres, continents, and countries among preschool and primary school students and the community. Therefore, based...

Background: Some review papers and meta-analyses have investigated seroprevalence and fatality trends of the Crimean-Congo hemorrhagic fever (CCHF), but it is not clear if its seroprevalence is increasing. Aim: To investigate the trend in the seroprevalence of CCHF. Methods: We conducted a secondary analysis of the results of a meta-analysis of the...

Background and purpose: Today, scorpion stings are one of Iran's most significant health and medical problems. Regarding the favorable weather conditions, Shush created a suitable environment for scorpions. Given the importance of this question, a study was conducted on the species composition, temporal distribution, and degree of dependence of sco...

This comprehensive global meta-analysis reviews the parasitism levels of tick genera and species, life stages, seasonality, attachment sites, the global mean ranks of tick species parasitism rates and records, and their distribution and role as vectors. From the 418 papers identified, 390 papers were selected to become part of the study. The genera...

This study aimed to investigate antifungal activity of hemolymph of American cockroaches (Periplaneta americana) against three human invasive fungal species, including Aspergillus niger, Candida albicans, and Penicillium oxalicum. To stimulate the immunity of cockroaches, the strains of fungal species were injected into the coelom of cockroaches. T...

Background: Scorpionism is one of the unpleasant topics for people. The Shush County has a suitable living environment for scorpions. This research was conducted to monitor scorpionism in Shush to provide documents to health system decision-makers. Methods: In a cross-sectional study, all cases of scorpion stings were investigated who were referred...

Background: Despite improved living conditions, individual health and health indicators in human societies, head lice infestation continues to be a major health problem. Therefore, studying the efficacy of drugs and identifying treatment-resistant cases in the prevention and elimination of this disease is of particular importance. Objective: The st...

Purpose This study examined the impact, trends, and impact levels of factors affecting Pediculus capitis infestation in primary school students. Subject and methods Among the papers reviewed, 226 were selected, as they contained information that suited the study objectives. Results The factors whose trends have higher gradients have a higher impa...

Domestic ruminants such as camels, cattle, goats, and sheep represent a substantial part of the global world economy. Hard ticks are well-known as obligatory bloodsucking ectoparasites of domestic ruminants. Policymakers need to get results that show the global distribution of tick genera and species, their parasitic levels, and their roles as dise...

Background: Head lice is a worldwide parasitic disease that can be considered a threat to public health. The majority of its prevalence is among children aged from 6 to 11 years. Due to students’ low attention to personal hygiene tips, and presence in populated places such as schools, they are more prone to head lice infestation; thus, studying thi...

Introduction: Head lice is a worldwide parasitic disease that can be considered a threat to public health. The majority of its prevalence is among children aged from 6 to 11 years. Due to students’ low attention to personal hygiene tips, and presence in populated places such as schools, they are more prone to head lice infestation; thus, studying t...

Background There are many studies present in literature performed to isolate CCHFV from ticks. However, gaps in knowledge for estimating global annual CCHFV infection rates; global CCHFV infection rates and records; CCHFV infection trend in ticks and ticks infested animals; and lack a decision regarding the role of ticks as CCHFV vectors caused to...

The domestic ruminants such as buffaloes, cattle, goats, sheep, and camels all around the globe represent a significant part of the global economy. Although domestic ruminant group infestations by hard ticks are commonly reported worldwide. Because these localized reports have shown variable and unprocessed results. A comprehensive global meta-anal...

Introduction: Despite the progress of communities’ health, head lice (Pediculus capitis) infestation remains a major health problem. The aim of the study was to investigate the prevalence of head lice infestation and its associated factors among female primary school students in Gahavand County and compare with the previous studies. Materials and M...

Mosquitoes are the most significant arthropods of medical importance due to their burden of transmitting pathogens and parasites. The present study was designed to investigate the distribution of mosquitos (Diptera: Culicidae) in Sanandaj County in 2018. Sanandaj County was divided into four areas in rural and urban areas, including north, south, e...

Mosquitoes are the most significant arthropods of medical importance due to their burden of transmitting pathogens and parasites. The present study was designed to investigate the distribution of mosquitos (Diptera: Culicidae) in Sanandaj County in 2018. Sanandaj County was divided into four areas in rural and urban areas, including north, south, e...

Background: Among arthropod-associated diseases or arthropods-pests of medical importance, Pediculus capitis is mentioned as one of the most common human obligate ectoparasites. Objective: The aim of this study was to determine the impact and trend of factors affecting the prevalence of P. capitis infestation among primary school students in Gilan-...

Background and Aim: The medical importance of the German cockroach in hospitals and urban areas is increasing. Today, researchers are working to find environmentally friendly insecticides to prevent increasingly resistance to chemical pesticides. In this study, laboratory toxicity of rosemary (Rosmarinus officinalis L.) and lavender (Lavandula angu...

There are many studies that provide information regarding ticks infesting humans. However, there is no a meta-analysis about the global ranks of tick infestation rates and records, global monthly tick bites and annually and periodically trends of tick infestation rates, and the global tick infestation rates among years, mounts, regions, and countri...

Objective: Periplaneta americana (L.) is the most important invasive urban pests in sewers with high significance of public health. The aim of the study was to evaluate the efficacy of several insecticide formulations against American cockroaches in sewers. Methods: The population density of cockroaches was estimated before and after 1 and 5 months...

Objective: Periplaneta americana (L.) is the most important invasive urban pests in sewers with high significance of public health. The aim of the study was to evaluate the efficacy of several insecticide formulations against American cockroaches in sewers. Methods: The population density of cockroaches was estimated before and after 1 and 5 months...

PurposeA comprehensive systematic meta-analysis review which deals with the degrees and trends of human infestation by biological stages of ticks, the degrees and trends of human infestation by biological stages of ticks in rural and urban areas, the infestation scale of tick attachment sites in body parts of humans, and the degrees of tick infesta...

In this study the water quality of the Shadegan and HawrAl Azim wetlands from October 2011 to September 2012 was evaluated. Data from the analysis of the water quality parameters showed that the salinity, hardness, total dissolved solids, turbidity, electrical conductivity and total suspended solids of their waters of these wetlands were higher tha...

Blattella germanica (L.) (Blattaria: Blattellidae), the German cockroach, is worldwide the most invasive pest of dwellings, with an increasing resistance to various groups of insecticides. To prevent this problem, special attention is being paid to the new bait insecticides with novel action mechanisms. Therefore, a survey was designed to consider...

Background: The German cockroach has been known as the most invading human dwelling cockroach species. For managing the insecticide resistance, it is periodically a substantial need to evaluate susceptibility level of the German cockroaches to consuming insecticides. Objective: To evaluate resistance of the German cockroaches to malathion, propoxur...

Crimean-Congo hemorrhagic fever (CCHF) is the most popular tick-borne disease causing by Crimean-Congo hemorrhagic fever virus (CCHFV). There are several valuable reviews considering some fields of the CCHF aspects. While there is no a systematic review about means and trends of CCHF cases and fatality rate, means and trends of CCHF cases and fatal...

Background and Aim: Attempts to use the plant products are to be an appropriate option due to substantial concerns about human health and environmental problems of using synthetic pesticides. Therefore, the cytotoxicity of Nepeta crispa essential oil was compared with propoxur against invertebrate (Sf9) and vertebrate (L929) cell lines. Materials...

Introduction: Pesticides are used as essential tools to control vector-borne diseases and agricultural pests and maintain quality and quantity crop production. Scientists attempt to use derived plant natural products due to environmental safety and low mammalian toxicity. Therefore, the cytotoxicity of malathion and Nepeta crispa essential oil aga...

Cockroaches have the potential to disseminate bacteria in their environments and therefore a systematic review and meta-analysis was conducted to assess the state-of-the-art of our knowledge regarding bacterial contaminants of cockroaches. At least 78 bacterial species and 42 genera from 24 families and 11 orders of bacteria were reported to have c...

Background: Cockroaches have been compromised with the human environment posing some risks to humans. Objective: A systematic review and meta-analysis study about the bacterial contamination of cockroaches in the human dwelling environmentswere investigated. Methodology: Relevant topics about bacterial contamination of cockroaches were collected fr...

Crimean-Congo haemorrhagic fever (CCHF) is the most widespread, tick-borne viral disease affecting humans and therefore this paper performed a meta-analysis to highlight seroprevalence features of CCHF in a global context. After a preliminary review of the 396 papers representing areas throughout the world, 206 were selected for detailed meta-analy...

Aim: Wetlands are extremely suitable ecosystems to assess the effect of climate change on the density of aquatic insects. This study aimed to assess the effect of seasonality on populations of aquatic insects in the Hawr Al Azim and Shadegan wetlands. Materials and methods: The insect samplings were conducted at a large area of the Hawr Al Azim...

Periplaneta americana (L.) (Blattaria: Blattidae), the American cockroach, is the most important invasive urban pest of sewer environments colonizing there with high significance of human public health and household allergens need to be controlled. Therefore this practical approach systematic review perform internationally to highlight and provide...

Cockroaches have been associated with human environments threatening human health. A cross-sectional study about cockroach fungal contamination in the hospital, restaurant and household environments from Khorramabad, Lorestan province of Iran between August 2015 and March 2016 was done. Sampling was uniformly carried out monthly from the randomly s...

Objective: To determine the synergists action of piperonyl butoxide (PBO) and S,S,S-tributyl phosphorotrithioate (DEF) on toxicity of carbamate insecticides against Blattella germanica in Tehran city. Methods: In the current study, German cockroach strains were collected from several hospitals and dormitories in Tehran. At the beginning, differe...

Introduction Ticks are non-permanent obligate parasites that have considerable medical-veterinary and zoonosis importance. In this regard a study designed to investigate the distribution and fauna of ticks in the Alashtar county in Iran from April and March 2014. Methods Ticks were collected from livestock farms and facilities from selected rural...

The objectives of this study were twofold: (i) assess the bioaccumulation characteristics of a suite of metals associated with several different species of Odonata and (ii) examine Odonata species richness as a reflection of ecosystem health in two ecologically important wetlands of southwestern Iran, the Shadegan and Hawr Al Azim wetlands. Levels...

Introduction: Fungal infections have emerged worldwide. Cockroaches have been proved vectors of medically fungi. Methods: A systematic meta-analysis review about cockroach fungal contamination was investigated. Relevant topics were collected between January 2016 and January 2017. After a preliminary review among 392 collected papers, 156 were se...

Background: Soft ticks play an important role in transmission of bacteria, rikettsia and viral diseases to human. In Iran soft ticks of the genus Ornithodoros spread the tick-borne diseases. Objective: Present study was performed to investigate the latest situation of tick-borne relapsing fever (TBRF) among people and tick infectivity to Borrelia i...

The brown-banded cockroach, Supella longipalpa (Blattaria: Blattellidae) (S. longipalpa), recently has infested the buildings and hospitals in wide areas of Iran, and this review was prepared to identify current knowledge and knowledge gaps about the brown-banded cockroach. Scientific reports and peer-reviewed papers concerning S. longipalpa and re...

Background: German cockroach has relatively short life cycle and reproduce rapidly. It is the most common medically and public health pest. As a result, it is essential to combat this pest. Cypermethrin and chlorpyrifos are used by private companies in Hamadan to control Blattella germanica. It seems necessary to determine its susceptibility level...

The Shadegan and Hawr Al Azim wetlands are important natural resources in southwestern Iran, yet relatively little work has been done to assess ecosystem health of the wetlands. Bed sediment from both wetlands was sampled in individual months between October, 2011 and December, 2012 and analyzed for As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Pb, and Zn using...

Background: Heavy metal contamination of wetland waters can adversely affects human health. Methods: The Arsenic (As), Cadmium (Cd), Cobalt (Co), Chromium (Cr), Copper (Cu), Iron (Fe), Mercury (Hg), Manganese (Mn), Lead (Pb), and Zinc (Zn) of Shadegan and Hawr Al Azim wetland waters in the Khuzistan Province, South Western Iran were assessed from O...

In this study the water quality of the Shadegan and Hawr Al Azim wetlands from October 2011 to September 2012 was evaluated. Data from the analysis of the water quality parameters showed that the salinity, hardness, total dissolved solids, turbidity, electrical conductivity and total suspended solids of their waters of these wetlands were higher th...

The quantity of some trace metals of mosquito larvae in Shadegan International Wetland from Iran was evaluated. Water, waterbed sediment, and mosquito larvae samplings were carried out from an urban site in the east of the wetland, using standard methods in December 2011. The identified Culiseta subochrea (Edwards) and Aedes caspius s.l. (Pallas) l...

Applications of the inductively coupled plasma-mass spectroscopy (ICP-MS) in various fields with emphasis on entomology are reviewed. Examples of the using a broad spectrum of ICP-MS in entomology including ecotoxicology, physiology, disease treatments, bioremediation, bioindication, homeostasis, and immune system, and determining and removing envi...

This study was conducted in Shadegan International wetland area, south western Iran. Mosquito larvae were collected from an urban site in the east of the wetland, using dipping methodin December 2011. Mosquito larvae were identified using the morphology-based keys. The water quality parameters were measured during mosquito larvae collection using H...

In this study the water quality and organic pollution of Shadegan and Hawr Al Azim wetlands by biological indices using insects during October 2011 to September 2012 were evaluated. The results of the biological monitoring working party index indicated that the abundance of family with medium or lower scores was high. The evaluation results of wate...

The purpose of this study was to evaluate the levels of heavy metal bioconcentration of the mosquitofish (Gambusia affinis) in Shadegan international wetland. Sampling including the water, waterbed sediment and mosquitofish was carried out from the selected sampling sites during October and November 2011, and analyzed by the ICP-OES. Results show t...

Background: German cockroach, Blattella Germanica, is a mechanical vector of various pathogenic agents such as viruses, bacteria, protozoa and parasite eggs. The purpose of this study was to determine the susceptibility level of German cockroach to bendicarb and carbaryl from carbamate insecticides, and malathion and chlropyrifos from organophospho...

The German cockroach is an important household insect pest worldwide and acts as a mechanical vector and reservoir for pathogenic agents. The aim of this study was to examine the basic laboratory toxicity of Blattella germanica to spinosad. The M, T, A22, AZAR4, BOOSTAN7 and ABAN21 strains were collected from field populations of six infested kitch...

The control and elimination of German cockroach, the most important worldwide pest species, has been an economic and public health success. Too many studies have been conducted in Iran, whereas these researches was scattered in form of national and international articles that has needed to add up of them in an overview article. With doing of this w...

In this study whole blood cholinesterase activities of the agriculture and hygiene spray workers exposed to organophosphorus and carbamate compounds from different parts of Tehran Province in Iran were determined. Lovi Bond method was used in three stages including prepare the questionnaires about spray worker body health conditions, taking their b...

The present study investigated the probable responsible reasons for non-response the B. germanica to permethrin only in World Health Organization glass jar method after insecticide spraying control failure with pyrethroid insecticide groups in Islamic Republic of Iran. Eleven German cockroach strains were collected from field populations of nine in...

Chrysomya bezziana Villeneuve is the most important fly, which produces myiasis, exists as an obligate ectoparasite in the animals, and afflicts human. Poor hygiene and working in contaminated areas particularly during warm seasons provide a situation to infest by this parasite. Infestation in human and livestock are often observed in wounds, norma...

Background: Baits have become popular and effective formulations against urban insect pests. Compared with re- sidual sprays toxic gel baits are used more and more frequently to control urban cockroach populations. The aim of this study was to investigate the usage of two commercially available fipronil and imidacloprid gel bait formulations agains...

The toxicity of cypermethrin was determined in five different soft tick strains of Argas persicus Oken and Ornithodoros lahorensis Neuman by topical application method. The O. lahorensis Bij, O. lahorensis west O1, O. lahorensis Mesh, A. persicus Lor, A. persicus West Ap strains were collected from Bijar, Kurdistan province, Takab, Western Azerbaij...

The increasing prevalence of active pediculosis and scabies among prisoners prompted us to conduct a head louse and scabies prevalence survey among prisoners in the Bandar Abbas, Hormozgan province, Iran. During the study, 67 patients with skin disorders were found. Among the doubtful patients who were considered 38 patients (57%) indicated Sarcopt...

The current study was conducted to investigate the duration of fipronil and imidacloprid gel baits toxicity against German cockroach strains in Iran during 2003-2004. In order to conduct this study, nine German cockroach strains were used. Newly emerged adult male German cockroaches starved for one scotophase (12 h), and ingested fipronil and imida...

The duration of fipronil WHO glass jar method toxicity against twelve strains of feral German cockroaches, Blattella germanica (L.), was determined. In the WHO glass jar bioassay, the average LT₅₀ of susceptible strain was 16.4,14.3,12.4 and 11.3 exposure minutes after 24,48,72 and 96 h, respectively and the average LT₉₅ was 2...

Control of insect pests of agriculture, economic, and medical importance usually focuses on the use of insecticides. The susceptibility levels of eleven strains of German cockroaches, Blattella germanica (L.), were compared with a standard sus- ceptible strain against permethrin and fipronil. The strains were collected from nine infested students'...

The duration of fipronil topical application toxicity of twelve strains of German cockroaches, Blattella germanica (L.), was determined. The Saman strain was collected in 2002, from infested Habitable Convened and the Bustan-7, Bustan-8, Bustan-10, Kouye-Pezeshky, Shahmorady, Zanjan and Kouye-Tehran strains were collected in 2001, from different in...

The purpose of this study was to rear large numbers of Anopheles stephensi (Lis.) by artificial feeding with human whole blood in an insectary. An artificial membrane, bloodfeeding technique was evaluated for An. stephensi using the insectarium's strain in Iran. Parafilm "M" and human whole blood were satisfactory as a feeding membrane and as a sou...