The incidence of hydatid disease varies considerably in different parts of the world. It is common in South America, Australia and parts of Asia; for example, in Beirut, Syria, 0 75o% of hospital admissions over a 10-year period were patients with echinococcus cysts (Baurys, 1952). In Great Britain there are no figures of value about the incidence of hydatid disease because there is no proper s...

INTRODUCTION The present study was conducted to estimate the incidence of seropositivity to anti-Trypanosoma cruzi antibodies and analyze potential risk factors in Colima, on the western coast of Mexico. METHODOLOGY Longitudinal studies of 209 subjects with negative serology in 1999 for anti-Trypanosoma cruzi antibodies by hemagglutination inhibition test were tested again in 2005. At the sam...

This is the first study on parasites of cultured Mytilus galloprovincialis L. in Greek waters, and is based on samples collected every 2 to 3 mo between September 2000 and November 2001 at 3 stations in the Thermaikos Gulf. Each sample comprised 40 mussels. We found 4 metazoan parasite species: hydroid Eugymnanthea inquilina, gill turbellarian Urastoma cyprinae, trematode Proctoces maculatus an...

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...

the pink hibiscus mealybug maconellicoccus hirsutus (green) (hemiptera: pseudococcidae) is a serious economic pest in tropical and subtropical regions and causes damage to many agricultural, forestry and greenhouse crops. in order to identify the natural enemies of this pest, bi-weekly samplings were done in infested areas of ahvaz, located at southwest iran during 2011-2012. samples were also ...

We compared the infestation by ixodid ticks of lizards, rodents, and birds collected simultaneously within areas representing common habitat types in Mendocino County, CA. Lizards were infested only by Ixodes pacificus Cooley and Kohls, birds by I. pacificus and Haemaphysalis leporispalustris (Packard), and rodents by I. pacificus, I. spinipalpis Hadwen and Nuttall, I. woodi Bishopp, Dermacento...

Quarantine inspectors search for fruit fly infestations in incoming shipments by visual inspection and by dissecting or cutting a sample of fruit in each shipment. The reliability of the latter procedure for detecting fruit fly larvae is questionable and, therefore, a test was conducted to determine its effectiveness. Infested grapefruit, mangoes, guavas, and carambolas were cut open to determi...

BACKGROUND The elimination of Triatoma infestans, the main Chagas disease vector in the Gran Chaco region, remains elusive. We implemented an intensified control strategy based on full-coverage pyrethroid spraying, followed by frequent vector surveillance and immediate selective insecticide treatment of detected foci in a well-defined rural area in northeastern Argentina with moderate pyrethroi...