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https://www.readbyqxmd.com/read/29050439/pathogenicity-and-immunosuppressive-potential-of-fowl-adenovirus-in-specific-pathogen-free-chickens
#1
Yujuan Niu, Qinqin Sun, Guihua Zhang, Wei Sun, Xingpo Liu, Yihong Xiao, Yingli Shang, Sidang Liu
To elucidate the effect of fowl adenovirus (FAdV)-C in specific-pathogen-free (SPF) chickens, we investigated the pathogenicity, body weights, enzymatic systems, and immune organs of chickens in response to Newcastle disease virus (NDV) and avian influenza virus subtype H9 (AIV-H9) vaccination. Chickens were divided randomly into four groups, which included injection groups (FAdV-C, vaccination, and FAdV-C plus vaccination) and a negative control group. The results indicated that FAdV-C was highly pathogenic in SPF chickens and led to a 40% mortality rate and growth retardation, compared with the control birds...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29050417/influence-of-swimming-time-in-alleviating-the-deleterious-effects-of-hot-summer-on-growing-muscovy-duck-performance
#2
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/29050414/serological-survey-of-reticuloendotheliosis-virus-infection-in-chickens-in-china-in-2005-to-2015
#3
Yanling Yang, Jing Zhao, Zhijun Ma, Meiyu Xu, Jia Xue, Guozhong Zhang
Reticuloendotheliosis virus (REV) causes an immunosuppressive, oncogenic, and runting syndrome in many avian hosts worldwide. The immunosuppression caused by REV can decrease the antibody levels of vaccines and subsequent increase susceptibility to secondary infections. There are no commercial vaccines or effective drugs to control REV infections at present. To investigate the REV infection status in chickens in China, 25,224 sera from 573 chicken flocks, collected between 2005 and 2015, were measured for REV antibodies using an enzyme-linked immunosorbent assay...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29050407/layer-chicken-embryo-survival-to-hatch-when-administered-an-in-ovo-vaccination-of-strain-f-mycoplasma-gallisepticum-and-locations-of-bacteria-prevalence-in-the-newly-hatched-chick
#4
K E C Elliott, S L Branton, J D Evans, P D Gerard, E D Peebles
Mycoplasma gallisepticum (MG) is a bacterial pathogen that causes production losses in layer chickens. To combat MG, multiage layer facilities vaccinate pullets by either spray or eye-drop vaccination. The objective in this study was to evaluate the use of in ovo vaccination as a potential alternative for MG vaccination. Layer embryos at 18 d of incubation were either not-injected (control), or were hand-injected with either commercial Marek's disease vaccine diluent alone or with a high, medium, low, or very low dosage of a live attenuated strain F (FMG) vaccine suspended in the commercial diluent...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29050405/comparative-effects-of-in-ovo-versus-subcutaneous-administration-of-the-marek-s-disease-vaccine-and-pre-placement-holding-time-on-the-processing-yield-of-ross-708-broilers
#5
E D Peebles, T M Barbosa, T S Cummings, J Dickson, S K Womack, P D Gerard
Effects of the in ovo (i.o.) or subcutaneous (s.c.) method of administration (moa) of the Marek's disease (MD) vaccine and 4 or 18 h pre-placement holding time (pht) on the processing yield of male broilers through 49 d of age (doa) were investigated. Ross 708 broiler hatching eggs (3,900) were either i.o.-vaccinated at 18 d of incubation or chicks from eggs that were not i.o.-vaccinated were s.c.-vaccinated at hatch. The i.o. injections (50 μL) were delivered by a commercial multi-egg injector and s.c. injections (200 μL) were delivered by an automatic pneumatic s...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29050282/effective-antitumor-peptide-vaccines-can-induce-severe-autoimmune-pathology
#6
Hussein Sultan, Jimena Trillo-Tinoco, Paulo Rodriguez, Esteban Celis
Immunotherapy has shown a tremendous success in treating cancer. Unfortunately, this success is frequently associated with severe autoimmune pathology. In this study, we used the transgenic RIP-gp mouse model to assess the antitumor therapeutic benefit of peptide vaccination while evaluating the possible associated autoimmune pathology. We report that palmitoylated gp33-41 peptide and poly-IC adjuvant vaccine (BiVax) generated ∼ 5-10 % of antigen specific T cell responses in wild type and supposedly immune tolerant RIP-gp mice...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049350/an-integrative-in-silico-approach-for-therapeutic-target-identification-in-the-human-pathogen-corynebacterium-diphtheriae
#7
Syed Babar Jamal, Syed Shah Hassan, Sandeep Tiwari, Marcus V Viana, Leandro de Jesus Benevides, Asad Ullah, Adrián G Turjanski, Debmalya Barh, Preetam Ghosh, Daniela Arruda Costa, Artur Silva, Richard Röttger, Jan Baumbach, Vasco A C Azevedo
Corynebacterium diphtheriae (Cd) is a Gram-positive human pathogen responsible for diphtheria infection and once regarded for high mortalities worldwide. The fatality gradually decreased with improved living standards and further alleviated when many immunization programs were introduced. However, numerous drug-resistant strains emerged recently that consequently decreased the efficacy of current therapeutics and vaccines, thereby obliging the scientific community to start investigating new therapeutic targets in pathogenic microorganisms...
2017: PloS One
https://www.readbyqxmd.com/read/29049310/molecular-epidemiology-of-influenza-b-virus-among-hospitalized-pediatric-patients-in-northern-italy-during-the-2015-16-season
#8
Antonio Piralla, Giovanna Lunghi, Luca Ruggiero, Alessia Girello, Sonia Bianchini, Francesca Rovida, Silvia Caimmi, Gian Luigi Marseglia, Nicola Principi, Fausto Baldanti, Susanna Esposito
BACKGROUND: The influenza B viruses belong to two lineages distinguished by their genetic and antigenic characteristics, which are referred to as the Yamagata and Victoria lineages, designated after their original isolates, B/Yamagata/16/88 and B/Victoria/2/87. The primary aim of this study was to evaluate the molecular characteristics of influenza B viruses circulating in a region of Northern Italy, Lombardia, during the influenza season of 2015-2016. METHODS: Influenza B virus was detected using a respiratory virus panel of assays and an influenza B-specific real-time polymerase chain reaction...
2017: PloS One
https://www.readbyqxmd.com/read/29049273/tdap-vaccination-coverage-during-pregnancy-selected-sites-united-states-2006-2015
#9
Stephen Kerr, Carla M Van Bennekom, Jennifer L Liang, Allen A Mitchell
Tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis (Tdap) vaccine is recommended during the third trimester of each pregnancy to provide protection to newborns, who are at risk for pertussis-related morbidity and mortality (1). As part of its case-control surveillance study of medications and birth defects, the Birth Defects Study of the Slone Epidemiology Center at Boston University (the Birth Defects Study) has recorded data on vaccinations received during pregnancy since 2006. Among 5,606 mothers of infants without structural birth defects in this population (control group), <1% had received Tdap vaccine before 2009...
October 20, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29049085/experience-and-compliance-with-scanning-vaccines-two-dimensional-barcodes-to-record-data
#10
Heather V Evanson, Loren Rodgers, Jenica Reed, Ashley Daily, Kenneth Gerlach, Michael Greene, Patrick Koeppl, Regina Cox, Warren Williams
Automated population of data into health information system fields offers the potential to increase efficiencies and save time. Increasingly, as two-dimensional barcoded vaccine products and barcode scanning technology become more widely available, manual recording of vaccine data can be reduced. This evaluation explores how often two-dimensional barcodes on vaccine vials and syringes were scanned and the perceived benefits and challenges reported by vaccine providers. Eighty-two facilities that administer vaccines completed the evaluation...
October 19, 2017: Computers, Informatics, Nursing: CIN
https://www.readbyqxmd.com/read/29049009/seroepidemiology-of-coxsackievirus-b5-in-infants-and-children-in-jiangsu-province-china
#11
Fan Gao, Lianlian Bian, Xiaotian Hao, Yalin Hu, Xin Yao, Shiyang Sun, Pan Chen, Ce Yang, Ruixiao Du, Jingxin Li, Fengcai Zhu, Qunying Mao, Zhenglun Liang
Coxsackievirus B5 (CV-B5) is associated with various human diseases such as viral encephalitis, aseptic meningitis, paralysis, herpangina, and hand, foot and mouth disease (HFMD). However, there is currently no effective vaccine against CV-B5.The seroepidemiologic characteristics of CV-B5 remained unknown. A cohort study was carried out in 176 participants aged 6-35 months from January 2012 to January 2014. The serum samples were collected and tested for CV-B5 neutralizing antibodies (NtAbs) four times during these two years...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29049007/low-prevalence-of-vaccine-type-hpv-infections-in-young-women-following-the-implementation-of-a-school-based-and-catch-up-vaccination-in-quebec-canada
#12
P Goggin, C Sauvageau, V Gilca, F Defay, G Lambert, S Mathieu-C, J Guenoun, E Comète, F Coutlée
BACKGROUND: In Quebec, Canada, a school-based HPV vaccination for girls has been offered since 2008. The vaccine used in the program targets HPV16/18, responsible for ∼70% of cervical cancers and HPV6/11, responsible for the majority of anogenital warts. The objective of this study was to assess the prevalence of HPV in vaccinated and unvaccinated women. METHODS: Women aged 17-29 years were eligible to participate. Participants' age, vaccination status and diverse risk factors were assessed by a computer-assisted questionnaire...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29049006/the-dynamics-of-immunoglobulin-v-gene-usage-and-clonotype-expansion-in-mice-after-prime-and-boost-immunizations-as-analyzed-by-ngs
#13
Diego J Farfán-Arribas, Shuying Liu, Shixia Wang, Shan Lu
In the current study, an improved NGS approach was developed to study the B-cell repertoire evolution in a simple mouse immunization model including only two DNA immunizations. The combination of 5'RACE and Ion Torrent long reads enabled unbiased immunoglobulin repertoire analysis even from small amounts of peripheral mouse blood. The B-cell population expanded by the vaccine displayed a relatively strong clonality. Upon priming with the first vaccine dose, we observed a consistent pattern of V-segment gene and CDR3 usage (public specificities)...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29049005/beliefs-attitudes-and-activities-of-healthcare-personnel-about-influenza-and-pneumococcal-vaccines
#14
Fatma Çiftci, Elif Şen, Nalan Demir, Orçun Çiftci, Serhat Erol, Oya Kayacan
OBJECTIVES: Vaccination of healthcare personnel (HCP) is an effective measure for preventing the spread of influenza among at-risk patients. This study was conducted to determine influenza vaccination rates and activities among HCP working at a tertiary healthcare setting. METHODS: This study included 470 HCP (85 physicians, 134 nurses, 53 healthcare assistants, 44 paramedics, 47 medical secretaries, and 107 auxillary staff members) working at the emergency, cardiology, chest diseases, and internal medicine departments with the largest volume of patients with vaccination indication of two large university hospitals with similar medical practices and work environment...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29049002/cost-effectiveness-of-the-haemophilus-influenzae-type-b-vaccine-for-infants-in-mainland-china
#15
Guijun Ning, Zundong Yin, Yixing Li, Huaqing Wang, Weizhong Yang
OBJECTIVE: The aims of this study were to estimate the cost-effectiveness of the Haemophilus influenzae type b (Hib) vaccine for the prevention of childhood pneumonia, meningitis and other vaccine-preventable diseases in mainland China from a societal perspective and to provide information about the addition of the Hib vaccine to Chinese immunization programs. METHODS: A decision tree and the Markov model were used to estimate the costs and effectiveness of the Hib vaccine versus no Hib vaccine for a birth cohort of 100,000 children in 2016...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29048994/awareness-of-and-willingness-to-be-vaccinated-by-human-papillomavirus-vaccine-among-junior-middle-school-students-in-jinan-china
#16
Li Xue, Wenqi Hu, Haiman Zhang, Zhongling Xie, Xi Zhang, Fanghui Zhao, Youlin Qiao, Lijie Gao, Wei Ma
BACKGROUND: Willingness to be vaccinated with human papillomavirus (HPV) vaccine among junior middle school students in China is not well understood. We conducted a cross-sectional study to assess awareness of HPV and the HPV vaccine and explore the factors associated with willingness to be vaccinated. METHODS: First-year students from two junior middle schools in Jinan, China were selected by cluster sampling on December 28, 2015, December 26, 2016, and January 11, 2017, and a self-administered questionnaire was used to collect information...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29048990/title-site-specific-glycosylation-profile-of-influenza-a-h1n1-hemagglutinin-through-tandem-mass-spectrometry
#17
Esteban Cruz, Joel Cain, Ben Crossett, Veysel Kayser
The study of influenza virus evolution in humans has revealed a significant role of glycosylation profile alterations in the viral glycoproteins - hemagglutinin (HA) and neuraminidase (NA), in the emergence of both seasonal and pandemic strains. Viral antigenic drift can modify the number and location of glycosylation sites, altering a wide range of biological activities and the antigenic properties of the strain. In view of the key role of glycans in determining antigenicity, elucidating the glycosylation profiles of influenza strains is a requirement towards the development of improved vaccines...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29048989/vaccination-in-pregnancy-attitudes-of-nurses-midwives-and-health-visitors-in-england
#18
Bhavita Vishram, Louise Letley, Albert Jan Van Hoek, Louise Silverton, Helen Donovan, Cheryll Adams, David Green, Angela Edwards, Joanne Yarwood, Helen Bedford, Gayatri Amirthalingam, Helen Campbell
OBJECTIVE: To examine amongst healthcare professionals in England; knowledge of vaccinations in pregnancy, their perceived roles in these programmes and whether they recommend scheduled vaccines to pregnant women. DESIGN: Cross sectional survey (online questionnaire) Setting: Healthcare workers in contact with pregnant women in England. PARTICIPANTS: The survey analysis included 3441 healthcare workers who had been surveyed during May to August 2015...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29048988/developmental-strategy-for-a-new-group-a-meningococcalconjugate-vaccine-menafrivac-r
#19
Prasad S Kulkarni, Suresh S Jadhav, F Marc LaForce
Until recently, periodic Group A meningococcal meningitis outbreaks were a major public health problem in the sub-Saharan Africa. In 2001, the Meningitis Vaccine Project (MVP), a partnership between the World Health Organization (WHO) and PATH, a Seattle-based NGO, and the Serum Institute of India Pvt Ltd (SIIPL) initiated discussions aimed at establishing a collaborationto develop a Group A meningococcal conjugate vaccine for this unmet medical need. Over the next 8 years the partnership made countless strategic decisions about product characteristics, raw materials, potential target populations, geographic prioritization and affordability of the vaccine to name a few...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29048987/health-literacy-and-vaccination-a-systematic-review
#20
Chiara Lorini, Francesca Santomauro, Martina Donzellini, Leonardo Capecchi, Angela Bechini, Sara Boccalini, Paolo Bonanni, Guglielmo Bonaccorsi
This systematic review describes the current relationship between health literacy (HL) and vaccination (including attitude to vaccines, intention to vaccinate, and vaccine uptake). The aim is to comprehend the role of HL as a determinant of vaccine hesitancy. For this purpose, the following databases were explored from 1 January 2007 to 15 January 2017: PubMed, Embase, PsycINFO, ERIC, Health Evidence, Centre for Reviews and Dissemination, Scopus, Web of Science, and Cochrane Library. Nine studies were included in the final synthesis...
October 19, 2017: Human Vaccines & Immunotherapeutics
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