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The sea louse Caligus rogercresseyi genome has opened the possibility of using the reverse vaccinology technique for identifying antigens with potential effects on lice production and use in sea lice control. This study was designed to determine the transcriptome modulation of immunized Atlantic salmon, examining the efficacy of three sea lice vaccines against the early stages of infection. During chalimus I-II, the early-infective stages attached at 7 days post infestation, Sea lice infestation was investigated. In parallel, mRNA Illumina sequencing of head kidney and skin tissue samples were obtained for mRNA Illumina sequencing. During the early stages of sea lice disease infection, quantitative expression studies of genes was used to determine immune responses, iron transport, and stress responses related to the tested vaccines. This research reveals molecular responses produced by three vaccine prototypes at the early stages of infection, giving new insight into sea lice control in the salmon aquaculture.
Source link: https://doi.org/10.3390/vaccines10071063
BACKGROUND HELPHYSIS is a significant social issue that can be exacerbated by human head louse, Pediculus humanus capitis, and pelvis capitis. This research was designed to determine the effects of a health education intervention scheme on reducing head lice among pupils of an elementary school's students. After a two-month educational intervention course, the prevalence of pediculosis follow-up remained monthly until the end of the school year. In addition, eight questions about diagnostic, epidemiology, treatment, and prevention were answered in a questionnaire administered to 50 volunteer parents before and after the training intervention program to determine general knowledge and determine learning effectiveness. Findings In the beginning of the investigation, the pre-intervention prevalence of pediculosis among students was 8. 4%. A substantial increase of parental information on the prevention program of pediculosis was found based on statistical analysis of questions before and after the questionnaire's enrollment.
Source link: https://doi.org/10.1186/s12887-022-03492-y
The findings of this research reveal the first isolation of these species from white cheeked bulbul in Iraq's first isolate of such parasites from P. leucotis as a new host for such parasites. The incidence of two forms of infestation, according to the bird's sex, there was no evidence that there isn't a difference between the two species of infestation despite being a significant difference.
Abstract Pediculosis is primarily affecting school-age children around the world. This research was designed to identify and analyze the attitudes of children in elementary schools in Niteru00f3i, Brazil, regarding pediculosis. Questionnaires were given to 237 guardians of children at five 1-5 grade municipal schools. The majority of the participants agreed that pediculosis is harmful to health, although a small percentage sees it as a disease. In schoolchildren, the incidence of pediculosis was 19. 8%. This parasitosis can be naturalized as a result of a lack of awareness of pediculosis as a disease.
Source link: https://doi.org/10.1590/0001-3765202220210337
The animals from the first flock were treated with a single spot of ivermectin applied subcutaneously at 0. 2 mg/kg, and the third flock was treated twice with amitraz, the second one being treated twice with amitraz. The use of ivermectin on post-treatment day 60 has resulted in the reduction of Bovicola caprae population by 73. 0 percent, as well as the development of Linognathus stenopsis, which was 92. 7 percent. Both amitraz reduced L. stenopsis and B. caprae caused by amitraz by 92. 2 percent and 98. 61% respectively.
Source link: https://doi.org/10.15547/bjvm.2358
As attempts to combat the invasive salmon louse Lepeophtheirus salmonis in salmon aquaculture, diseases are spreading, and steps to effectively prevent infestations are on the rise. To succeed in prevention, an accurate knowledge of the environmental factors that influence the growth of lice in the water column in space and time is crucial. With step salinity column experiments, we investigated the salinity preferences of nauplii and copepodid larval stages. We produced step gradients using a bottom layer of complete salinity and upper layer of equal or lower salinity under consistent temperature and lighting conditions. When integrated into a sea lice dispersal model, the new salinity preferences we developed dramatically changed dispersal patterns in scenarios where salinity gradients were present. Our findings have ramifications for salmon lice larval growth and dispersal mapping, as well as aquaculture planning and management.
Source link: https://doi.org/10.3354/aei00303
Both head lice, Pediculus capitis, and head inspection were determined using two methods: cut hair analysis and head inspection. In the middle and at the end of the school term, higher prevalence rates were seen. In Uberl, the primary reservoir for this type of pediculosis was children, according to both procedures.
Source link: https://doi.org/10.1590/S0037-86822007000200022
The patient's scalp was exhibiting sever infestations of lice. Because of her itching, the patient became extremely ill and irritated. The patient was only suffering lice and nits on her scalp, but other body hairs were unaffected by the lice infestations. This patient's mother told us about her dermatitis diagnosis. Since she was a child of a child, the patient has been suffering from atopic dermatitis. In low socioeconomic societies, lice infestations are a common problem and generally, the individual with the lice infestations must be unhygienic, but in reality, it has been seen quite often in extremely neat and clean people. Many chronic lice infestations are caused by several factors, not just in homeless, or nonhygienic individuals, but also in non-hygienic ones; sebum production is also responsible for many skin diseases, e. g.
Aims: This report was published in Aims, Jordan, and sought to determine the incidence of pediculos capitis among government primary school students in Southern Jordan and its related risk factors. Setting and Design: In this cross-sectional study, a random sample of 500 primary school students aged 6-18 from two male and two female public primary schools in four educational directorates were randomly selected randomly. Students were then asked to return the questionnaire a day ahead of the exam date with signed permission from the parents. Statistical Analysis: SPSS was used with Chi-square testing to determine the significant relationship between lice infestation prevalence and the independent variables. The overall prevalence of lice infestation was 20. 4% and was significantly higher among girls than boys, according to the study and conclusion.
Source link: https://doi.org/10.4103/jgid.jgid_19_17
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