Coenurus serialis in Northeastern Iran: A Probable Danger to Human

Moshiri, A. Birjand; Shamsian, Seyed Aliakbar; Berenji, Fariba; Jadidoleslami, Abbas; Moghaddas, Elham

doi:10.5812/iji.13218

Cited by 3 publications

(2 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The first two were found in the east area of the Mexicali valley where grains and forages are the dominant agricultural crops, with an abundance of lagomorphs such as rabbits and other rodents associated with the biological cycle of T. serialis and T. pisiformis [ 20 , 21 ]. Dog gets infected while hunting and consumes the intermediate host, acquiring the metacestodes and completing the biological cycle of these parasites [ 22 ]. It is important to mention that dog infection with T. serials represents a public health problem, accidental human consumption of eggs, can develop the juvenile stage (coenuri) in various tissues such as eyes, brain but mainly subcutaneous tissue [ 23 ].…”

Section: Discussionmentioning

confidence: 99%

Detection of Intestinal Parasites in Stray Dogs from a Farming and Cattle Region of Northwestern Mexico

et al. 2020

View full text Add to dashboard Cite

Stray dogs are one of the main reservoirs of intestinal parasitic infections and some have zoonotic potential. An epidemiological survey was carried out between September 2017 and May 2018 in Mexicali Valley, this area sacrifices around 92,470 head of cattle monthly, which represents 27% of the national slaughter and has 71,307 hectares for crops. In this period the Municipal Animal Control Center during their routine visits to the Mexicali Valley captured 103 dogs. All the dogs were evaluated using copromicroscopic techniques to detect intestinal parasites. The general frequency of parasitic infections was 28.15% (29/103), the most frequent parasite being Dipylidium caninum 16.50% (17/103), followed by Taenia spp. 6.79% (7/103), Taenia hydatigena 2.91% (3/103), Taenia serialis 0.97% (1/103), Taenia pisiformis (0.97%), Toxocara canis 3.88% (4/103), Toxascaris leonina 1.94% (2/103), and Cystoisospora spp. 1.94% (2/103). No significant statistical associations were found between parasitic infections and the studied variables (sex, age, and size) however; there was a significant statistical association with the capture area. Most of the parasites found in this survey have potential to affect the human population and animal production.

show abstract

Section: Discussionmentioning

confidence: 99%

Detection of Intestinal Parasites in Stray Dogs from a Farming and Cattle Region of Northwestern Mexico

et al. 2020

View full text Add to dashboard Cite

show abstract

“…Taenia serialis is prevalent in North America, Europe and Africa. However, there are also recent reports of T. serialis in rabbits from Iran and China (Moshiri et al, 2018; Zhang et al, 2018). Furthermore, PCR confirmed T. serialis eggs in the faeces from 2 out of 1425 dogs from rural Australia (Jenkins et al, 2014).…”

Section: Canid-transmitted Cysticercosis and Coenurosismentioning

confidence: 99%

Wildlife-transmitted Taenia and Versteria cysticercosis and coenurosis in humans and other primates

Deplazes

Eichenberger

Grimm

2019

International Journal for Parasitology: Parasites and Wildlife

View full text Add to dashboard Cite

Wild mustelids and canids are definitive hosts of Taenia and Versteria spp. while rodents act as natural intermediate hosts. Rarely, larval stages of these parasites can cause serious zoonoses. In Europe, four cases of Taenia martis cysticercosis have been diagnosed in immunocompetent women, and two cases in zoo primates since 2013. In North America, a zoonotic genotype related but distinct from Versteria mustelae has been identified in 2014, which had caused a fatal infection in an orangutan and liver- and disseminated cysticercoses in two severely immune deficient human patients in 2018, respectively. Additionally, we could attribute a historic human case from the USA to this Versteria sp. by reanalysing a published nucleotide sequence. In the last decades, sporadic zoonotic infections by cysticerci of the canid tapeworm Taenia crassiceps have been described (4 in North America, 8 in Europe). Besides, 3 ocular cases from North America and one neural infection from Europe, all in immunocompetent patients, 6 cutaneous infections were described in severely immunocompromised European patients. Correspondingly, besides oral infections with taeniid eggs, accidental subcutaneous oncosphere establishment after egg-contamination of open wounds was suggested, especially in cases with a history of cutaneous injuries at the infection site. Taenia multiceps is mainly transmitted in a domestic cycle. Only five human coenurosis cases are published since 2000. In contrast, T. serialis coenurosis (1 human case since 2000) is primarily transmitted by wild canids. The etiological diagnosis of exotic cysticercoses is challenging. Usually, clinical material does not allow for a morphological identification, and serological tests are not available. These limitations have partly been overcome by molecular tools. Without claiming any dramatic emergence of cysticercoses and coenuroses transmitted by wild carnivores, further sporadic cases of such ‘exotic’ infections have to be expected.

show abstract

Environmental contamination with feces of free-roaming dogs and the risk of transmission of Echinococcus and Taenia species in urban regions of southeastern Iran

Shamsaddini,

Schneider,

Dumendiak

et al. 2024

Parasites Vectors

View full text Add to dashboard Cite

Background Dogs are the most important definitive hosts of zoonotic taeniid helminths worldwide. Different Echinococcus and Taenia species of domestic and wild carnivores pose a potential risk to human population. High populations of free-roaming dogs (FRDs) in urban areas of Iran and widespread contamination of the environment with dog feces is a potential source of infecting people living in the urban regions with cystic echinococcosis (CE). Our knowledge on the risk of CE transmission in the urban settings in the endemic regions is limited. The present study surveyed the species and genotypes of E. granulosus sensu lato and other taeniids by examining feces of free-roaming dogs in the urban areas in the city of Kerman, southeastern Iran. Methods The city was divided into 100 consecutive blocks of which 25 blocks were randomly selected. Fecal samples of FRDs were counted, mapped and fresh samples were collected. Then Zinc chloride flotation, and sequential sieving was performed, and the samples were examined under an inverted microscope. Single individual taeniid eggs were isolated, partial nad1 gene was amplified and sequenced to identify species and genotypes. Results In total 5607 fecal samples of dogs were mapped and 83 fresh samples were collected. Taeniid eggs were detected in nine fecal samples (10.8%) from seven out of the 25 city blocks (28.0%). Echinococcus eggs were found in four samples (4.8%) from three city blocks, two samples containing E. granulosus sensu stricto (2.4%), two samples containing E. canadensis G6/7 (2.4%). In addition, three samples contained eggs of Taenia hydatigena (3.6%), and one sample of Taenia serialis (1.2%). Conclusions This study documented the potential risk of CE transmission to humans resulting from the feces of dogs roaming freely in urban areas. Graphical Abstract

show abstract

Coenurus serialis in Northeastern Iran: A Probable Danger to Human

Cited by 3 publications

References 19 publications

Detection of Intestinal Parasites in Stray Dogs from a Farming and Cattle Region of Northwestern Mexico

Detection of Intestinal Parasites in Stray Dogs from a Farming and Cattle Region of Northwestern Mexico

Wildlife-transmitted Taenia and Versteria cysticercosis and coenurosis in humans and other primates

Environmental contamination with feces of free-roaming dogs and the risk of transmission of Echinococcus and Taenia species in urban regions of southeastern Iran

Contact Info

Product

Resources

About