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https://www.readbyqxmd.com/read/29050417/influence-of-swimming-time-in-alleviating-the-deleterious-effects-of-hot-summer-on-growing-muscovy-duck-performance
#1
Mohamed F A Farghly, Khalid M Mahrose, Zafar Ullah, Zaib Ur Rehman, Chan Ding
This experiment was conducted to observe the effects of varying swimming times (ST) of Muscovy ducks, raised in an open-sided house, in alleviating the deleterious effects of high temperature in hotter times of the day in the summer season on growth performance (body weight, average daily gain, feed consumption, and feed conversion ratio), carcass characteristics, body temperature, and some health aspects. We hypothesized that swimming times during the hottest periods of the day would show different performances...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29044009/-stability-of-candid-1-vaccine-to-prevent-argentine-hemorrhagic-fever
#2
María Del Carmen Saavedra, Laura M Riera, Alejandro J Bottale, Mauricio A Mariani, Andrea S Maiza, Ana María Ambrosio
Candid#1 is the first live attenuated vaccine produced and registered in Argentina. Produced since 2003 at the INEVH to prevent Argentine hemorrhagic fever, it is obtained by harvesting supernatants of diploid cells infected with an attenuated strain of Junin virus and subsequent lyophilization. The stability of this vaccine is crucial to ensure its effectiveness. This study was aimed to evaluate the stability of Candid#1 by exposing it to different time and temperature conditions. Three vaccine batches produced in 2003 were analysed according to the following storage scheme: (a) reconstituted vaccine at 2 °C to 8 °C for 8 days; (b) lyophilized vaccine at 2 °C to 8 °C for 6 months; (c) lyophilized vaccine at -18 °C to -20 °C for 10 years...
2017: Medicina
https://www.readbyqxmd.com/read/29041826/use-of-acellular-pertussis-vaccines-in-the-united-states-can-we-do-better
#3
Nicola P Klein, Ousseny Zerbo
Despite robust vaccination schedules and high vaccination rates, many countries, including the U.S., have seen large pertussis outbreaks with a shift in recent years in the distribution of disease burden towards adolescents and young adults. Areas covered: This perspective covers problems related to the increased incidence of pertussis among adolescents. Because the Tdap vaccine only protects against pertussis for 1 to 2 years after vaccination, we propose a new strategy which aims to optimize the benefit of Tdap in adolescents...
October 18, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/29041786/census-and-vaccination-coverage-of-owned-dog-populations-in-four-resource-limited-rural-communities-mpumalanga-province-south-africa
#4
Anne Conan, Joy A C Geerdes, Oluyemisi A Akerele, Bjorn Reininghaus, Gregory J G Simpson, Darryn Knobel
Dogs (Canis familiaris) are often free-roaming in sub-Saharan African countries. Rabies virus circulates in many of these populations and presents a public health issue. Mass vaccination of dog populations is the recommended method to decrease the number of dog and human rabies cases. We describe and compare four populations of dogs and their vaccination coverage in four different villages (Hluvukani, Athol, Utah and Dixie) in Bushbuckridge Municipality, Mpumalanga province, South Africa. Cross-sectional surveys were conducted in the villages of Athol, Utah and Dixie, while data from a Health and Demographic Surveillance System were used to describe the dog population in Hluvukani village...
September 22, 2017: Journal of the South African Veterinary Association
https://www.readbyqxmd.com/read/29037785/novel-bilayer-dissolving-microneedle-arrays-with-concentrated-plga-nano-microparticles-for-targeted-intradermal-delivery-proof-of-concept
#5
Lalit K Vora, Ryan F Donnelly, Eneko Larraneta, Patricia González-Vázquez, Raghu Raj Singh Thakur, Pradeep R Vavia
Polymeric microneedle (MN) arrays continue to receive growing attention due to their ability to bypass the skin's stratum corneum barrier in a minimally-invasive fashion and achieve enhanced transdermal drug delivery and "targeted" intradermal vaccine administration. In this research work, we fabricated biodegradable bilayer MN arrays containing nano - microparticles for targeted and sustained intradermal drug delivery. For this study, model drug (vitamin D3, VD3)-loaded PLGA nano- and microparticles (NMP) were prepared by a single emulsion solvent evaporation method with 72...
October 13, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29037190/do-mobile-clinics-provide-high-quality-antenatal-care-a-comparison-of-care-delivery-knowledge-outcomes-and-perception-of-quality-of-care-between-fixed-and-mobile-clinics-in-central-haiti
#6
Erica Phillips, Rebecca J Stoltzfus, Lesly Michaud, Gracia Lionel Fils Pierre, Francoise Vermeylen, David Pelletier
BACKGROUND: Antenatal care (ANC) is an important health service for women in developing countries, with numerous proven benefits. Global coverage of ANC has steadily increased over the past 30 years, in part due to increased community-based outreach. However, commensurate improvements in health outcomes such as reductions in the prevalence of maternal anemia and infants born small-for-gestational age have not been achieved, even with increased coverage, indicating that quality of care may be inadequate...
October 16, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29035657/evaluation-of-mortality-rate-and-predictors-of-outcome-in-dogs-receiving-outpatient-treatment-for-parvoviral-enteritis
#7
Kathryn J Sarpong, Jennifer M Lukowski, Cassandra G Knapp
OBJECTIVE To determine mortality rates and prognostic factors for dogs with parvoviral enteritis receiving outpatient treatment. DESIGN Retrospective case series and case-control study. ANIMALS 130 client-owned dogs with a diagnosis of parvoviral enteritis between August 1, 2012, and January 31, 2015, that were treated with outpatient care. PROCEDURES Medical records were reviewed and data extracted regarding dog age, body weight, breed, and vaccination history; treatments administered; and short-term (≥ 3 day) outcome (determined via telephone call with owner)...
November 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29028943/a-joint-model-for-mixed-and-truncated-longitudinal-data-and-survival-data-with-application-to-hiv-vaccine-studies
#8
Tingting Yu, Lang Wu, Peter B Gilbert
In HIV vaccine studies, a major research objective is to identify immune response biomarkers measured longitudinally that may be associated with risk of HIV infection. This objective can be assessed via joint modeling of longitudinal and survival data. Joint models for HIV vaccine data are complicated by the following issues: (i) left truncations of some longitudinal data due to lower limits of quantification; (ii) mixed types of longitudinal variables; (iii) measurement errors and missing values in longitudinal measurements; (iv) computational challenges associated with likelihood inference...
September 23, 2017: Biostatistics
https://www.readbyqxmd.com/read/29028841/efficacies-of-prevention-and-control-measures-applied-during-an-outbreak-in-southwest-madrid-spain
#9
Anaiá da Paixão Sevá, Maia Martcheva, Necibe Tuncer, Isabella Fontana, Eugenia Carrillo, Javier Moreno, James Keesling
Leishmaniasis is a vector-borne disease of worldwide distribution, currently present in 98 countries. Since late 2010, an unusual increase of human visceral and cutaneous leishmaniasis cases has been observed in the south-western Madrid region, totaling more than 600 cases until 2015. Some hosts, such as human, domestic dog and cat, rabbit (Oryctolagus cuniculus), and hare (Lepus granatensis), were found infected by the parasite of this disease in the area. Hares were described as the most important reservoir due to their higher prevalence, capacity to infect the vector, and presence of the same strains as in humans...
2017: PloS One
https://www.readbyqxmd.com/read/29022533/distribution-of-hepatitis-b-virus-infection-in-namibia
#10
P Mhata, T W Rennie, L F Small, P M Nyarang'o, Z Chagla, C J Hunter
BACKGROUND: Namibia regards hepatitis B virus (HBV) infection as a public health problem and introduced hepatitis B vaccinations for infants during 2009. However, information on HBV infection in the country remains limited, and effective public health interventions may be compromised in the absence of adequate evidence-based data. Available data from the World Health Organization (WHO) estimate that 15 - 60% of the normal population in many African countries may be positive for one or more of the HBV serological markers...
September 22, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/29021946/predictors-of-pneumococcal-carriage-and-the-effect-of-the-13-valent-pneumococcal-conjugate-vaccination-in-the-western-australian-aboriginal-population
#11
Deirdre A Collins, Anke Hoskins, Thomas Snelling, Kalpani Senasinghe, Jacinta Bowman, Natalie A Stemberger, Amanda J Leach, Deborah Lehmann
BACKGROUND: The 7-valent pneumococcal conjugate vaccine (PCV7) was introduced to prevent invasive pneumococcal disease (IPD) in Western Australian (WA) Aboriginal people in 2001. PCV13 replaced PCV7 in July 2011, covering six additional pneumococcal serotypes; however, IPD rates remained high in Aboriginal people in WA. Upper respiratory tract pneumococcal carriage can precede IPD, and PCVs alter serotype distribution. METHODS: To assess the impact of PCV13 introduction, identify emerging serotypes, and assess risk factors for carriage, nasopharyngeal swabs and information on demographic characteristics, health, medication and living conditions from Aboriginal children and adults across WA from August 2008 to November 2014 were collected...
2017: Pneumonia
https://www.readbyqxmd.com/read/29017751/varicella-infection-in-a-non-universally-vaccinated-population-actual-epidemiology-in-bulgaria-2013-2015
#12
Tatina T Todorova
BACKGROUND: Varicella is a common and usually mild disease but it has great importance in regard to general infectious morbidity. The current study aimed to characterize possible risk factors of varicella epidemiology in Bulgaria, a country where infection follows its natural epidemiological pattern as no mandatory or recommended vaccine is currently applied. METHODS: Administrative regions of Bulgaria were used as units of observation and a set of sociodemographic and economic determinants, as well as geographic location (south or north) were tested for associations with the mean 3-year varicella incidence rates (2013-2015)...
October 7, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28991321/-role-of-dendritic-cells-in-infection-by-dengue-virus-targets-for-replication-and-immune-response
#13
Jahnnyer Martínez, Juan C Hernández, Silvio Urcuqui-Inchima
Dengue fever, caused by dengue virus (DENV) infection, is one of the most important diseases in the world, not only due to the high morbidity/mortality rates it causes, but also because of its great economic and social impact in tropical/subtropical countries. DENV infection has a wide range of clinical manifestations ranging from asymptomatic infection or infection with mild symptoms to severe dengue that can lead to death. At present, no etiological treatment or effective globally distributed vaccine against the four DENV serotypes exists...
June 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28990913/declines-in-malaria-burden-and-all-cause-child-mortality-following-increases-in-control-interventions-in-senegal-2005-2010
#14
Julie Thwing, Erin Eckert, Demba Anta Dione, Roger Tine, Adama Faye, Yazoume Yé, Medoune Ndiop, Moustapha Cisse, Jacques Andre Ndione, Mame Birame Diouf, Mady Ba
Malaria is endemic in Senegal. The national malaria control strategy focuses on achieving universal coverage for major interventions, with a goal of reaching preelimination status by 2018. Senegal began distribution of insecticide-treated nets (ITNs) and introduced artemisinin-based combination therapy in 2006, then introduced rapid diagnostic tests in 2007. We evaluated the impact of these efforts using a plausibility design based on malaria's contribution to all-cause under-five mortality (ACCM) and considering other contextual factors which may influence ACCM...
September 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28988544/molecular-and-clinical-characterization-of-human-respiratory-syncytial-virus-in-south-korea-between-2009-and-2014
#15
E Park, P H Park, J W Huh, H J Yun, H K Lee, M H Yoon, S Lee, G Ko
Respiratory syncytial virus (RSV) can cause serious respiratory infections, second only to influenza virus. In order to know RSV's genetic changes we examined 4028 respiratory specimens from local hospital outpatients in Gyeonggi Province, South Korea over six consecutive years by real-time one-step RT-PCR; 183 patients were positive for RSV infection. To investigate the specific distribution of RSV genotypes, we performed partial sequencing of the glycoprotein gene. Of the 131 RSV-A specimens sequenced, 61 (43·3%) belonged to the ON1 genotype, 66 (46·8%) were NA1 genotype, 3 (2·1%) were GA5 genotype, and 1 (0·7%) belonged to the GA1 genotype...
October 9, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28987808/landscape-epidemiology-in-urban-environments-the-example-of-rodent-borne-trypanosoma-in-niamey-niger
#16
J-P Rossi, I Kadaouré, M Godefroid, G Dobigny
Trypanosomes are protozoan parasites found worldwide, infecting humans and animals. In the past decade, the number of reports on atypical human cases due to Trypanosoma lewisi or T. lewisi-like has increased urging to investigate the multiple factors driving the disease dynamics, particularly in cities where rodents and humans co-exist at high densities. In the present survey, we used a species distribution model, Maxent, to assess the spatial pattern of Trypanosoma-positive rodents in the city of Niamey. The explanatory variables were landscape metrics describing urban landscape composition and physiognomy computed from 8 land-cover classes...
October 4, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28984428/fasciola-and-fasciolosis-in-ruminants-in-europe-identifying-research-needs
#17
N J Beesley, C Caminade, J Charlier, R J Flynn, J E Hodgkinson, A Martinez-Moreno, M Martinez-Valladeres, J Perez, L Rinaldi, D J L Williams
Fasciola hepatica is a trematode parasite with a global distribution, which is responsible for considerable disease and production losses in a range of food producing species. It is also identified by WHO as a re-emerging neglected tropical disease associated with endemic and epidemic outbreaks of disease in human populations. In Europe, F. hepatica is mostly associated with disease in sheep, cattle and goats. This study reviews the most recent advances in our understanding of the transmission, diagnosis, epidemiology and the economic impact of fasciolosis...
October 6, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28983744/human-papillomavirus-genotype-distribution-among-hpv-positive-women-in-sichuan-province-southwest-china
#18
Guo Tao, Gao Yaling, Gao Zhan, Liao Pu, He Miao
In this hospital-based descriptive study, the genotype distribution of human papillomavirus (HPV) among HPV-infected women were investigated in 4,305 gynecological patients in Sichuan province. Females attending gynecology clinics between March 2014 and March 2015 were subjected to HPV screening after giving informed consent. Cervical scrapings were examined by cytopathology and colposcopy-directed biopsies. HPV genotyping was performed on a Luminex 200 system. Seventeen high-risk (HR) genotypes (HPV-16, -18, -31, -33, -35, -39, -45, -51, -52, -53, -56, -58, -59, -66, -68, -73, and -82) and seven low-risk (LR) genotypes (HPV-6, -11, -42, -43, -61, -81, and -83) were detected...
October 5, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28983103/characterization-of-a-putative-plasmodium-falciparum-sac1-phosphoinositide-phosphatase-homologue-potentially-required-for-survival-during-the-asexual-erythrocytic-stages
#19
Catherine Thériault, Dave Richard
Despite marked reductions in morbidity and mortality in the last ten years, malaria still takes a tremendous toll on human populations throughout tropical and sub-tropical regions of the world. The absence of an effective vaccine and resistance to most antimalarial drugs available demonstrate the urgent need for new intervention strategies. Phosphoinositides are a class of lipids with critical roles in numerous processes and their specific subcellular distribution, generated through the action of kinases and phosphatases, define organelle identity in a wide range of eukaryotic cells...
October 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28982820/rubella-virus-infection-and-associated-factors-among-pregnant-women-attending-the-antenatal-care-clinics-of-public-hospitals-in-hawassa-city-southern-ethiopia-a-cross-sectional-study
#20
Biniam Tamirat, Siraj Hussen, Techalew Shimelis
OBJECTIVE: To assess the seroprevalence of recent/acute and past exposure to rubella virus infection and associated risk factors among pregnant women. DESIGN: A hospital-based cross-sectional study. SETTING: The study was conducted in two public hospitals in Hawassa City, Southern Ethiopia. PARTICIPANTS: A total of 422 pregnant women attending antenatal care clinics were selected using a systematic random sampling technique from March to June 2016...
October 5, 2017: BMJ Open
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