Histamine is used in bronchial and dermal provocation, but it is rarely considered an environmental risk factor in allergic disease. Because bed bugs defecate large amounts of histamine as a component of their aggregation pheromone, we sought to determine if histamine accumulates in household dust in bed bug infested homes, and the effects of bed bug eradication with spatial heat on histamine l...

Dermanyssus gallinae (Mesostigmata: Dermanyssidae), a mite of poultry, represents the most important ecotoparasite of egg-laying poultry in several countries. We estimated the prevalence of D. gallinae infestation in 38 industrial poultry farms (28 egg-laying and 10 reproductive hen farms) in the governorate of Nabeul (North-East Tunisia). Traps were placed in two locations of each farm during ...

A 49-year-old Iranian male with diagnosis of ischemic heart disease (IHD) and arterial hypertension (AH) was admitted at Emergency Ward of Vase'ee Hospital of Sabzevar, Iran. As well, the patient had red eye and left eye bleeding. On eye examination, leech infestation was found to be the cause of the eye bleeding. In the endemic regions in a patient presenting red eye and eye bleeding, leech in...

background: pediculosis capitis is a continuous common health problem worldwide. pediculus capitis distributes quickly in overcrowded regions. the goal of the present research was to determine some epidemiological features of head lice infestation in khorram-shahr county, southwestern iran.   methods: this descriptive cross-sectional study was conducted on the patients with head lice infestatio...

Background and objective:Many biochemical features of sulfur mustard (SM) intoxication remained unknown. So far, the direct association between biochemical parameter changes and ocular problems in patients exposed to SM is not evaluated.The current study aimed at evaluating the associations between the ocular findings in patients with SM intoxication and the changes of...

a cross-sectional study was carried out to determine the prevalence and species of camel mange mite infestation in raya-azebo district, northern part of ethiopia. accordingly, three hundred and eighty-four camels were examined and mange mite infestation was detected on 64 of camels. only sarcoptes scabiei var. cameli was identified as the only mite species in all skin scraping samples collected...

We wish to thank Dr. N. S. Galbraith, of the Epidemiology Reference Laboratory, Colindale, and Dr. G. F. Smith, H.M. Medical Inspector of Factories, South-western Division, for their helpful comments following their investigations of an outbreak at Factory C; Dr. G. T. Cook, Director of the Public Health Laboratory, Guildford, for his help during the initial outbreak at Factory A; Dr. T. D. Blo...

Background: Head louse (Pediculus humanus capitis) is one of the common health problems of the children in elementary schools. The aim of this study was to determine risk factors associated with head lice (Pediculosis) infestation among elementary school students in Meshkinshahr County,  Northwestern Iran. Materials and Methods: This descriptive-analytic study is done over 1,950 students (1,055...