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https://www.readbyqxmd.com/read/27906864/potential-for-treatment-and-a-zika-virus-vaccine
#1
Natalie Quanquin, Lulan Wang, Genhong Cheng
PURPOSE OF REVIEW: Zika virus (ZIKV) has only recently been exposed as a significant public health threat, and much of our limited knowledge of its pathogenesis and triggered immune responses were discovered in only the last few years. There are currently no ZIKV-specific therapeutics or vaccines available. This review seeks to bring the reader up-to-date with the latest developments in finding a way to combat this emerging infectious disease. RECENT FINDINGS: Current strategies used for developing ZIKV vaccines or treatments follow proven methods used against other flaviviruses...
November 30, 2016: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/27905834/rubella-outbreak-and-outbreak-management-in-a-school-setting-china-2014
#2
Caiyun Chang, Huilai Ma, Wenjia Liang, Pei Hu, Xianghuan Mo, Zhijie An, Huizhen Zheng
BACKGROUND: An active response to a rubella outbreak may interrupt disease transmission, and outbreak response immunization (ORI) can increase immunity among persons who might otherwise not be protected. On March 17, 2014, a rubella outbreak was reported in a middle school in Guangzhou city, China. We conducted an investigation to assess impact of a policy of exclusion of cases from school and of ORI. METHODS: Active surveillance was used to find cases of rubella...
December 1, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27902652/circulating-antibody-1-and-2-years-after-vaccination-with-the-13-valent-pneumococcal-conjugate-vaccine-in-preterm-compared-with-term-infants
#3
Federico Martinón-Torres, Jacek Wysocki, Kimberly J Center, Hanna Czajka, Ewa Majda-Stanislawska, Felix Omeñaca, Ana Concheiro-Guisan, Francisco Gimenez-Sanchez, Leszek Szenborn, Daniel Blázquez-Gamero, Laura Moreno-Galarraga, Peter C Giardina, Gang Sun, William C Gruber, Daniel A Scott, Alejandra Gurtman
BACKGROUND: Premature infants have lower short-term immune responses to vaccination than term infants, but patterns of antibody persistence in preterm infants over longer periods are not well established. This study assessed the persistence of antibody response to the 13-valent pneumococcal conjugate vaccine (PCV13) in formerly preterm versus term infants. METHODS: In total, 100 preterm and 100 term infants received PCV13 with routine vaccines at ages 2, 3, 4, and 12 months...
November 28, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27901642/a-generic-rna-pulsed-dc-based-approach-for-developing-therapeutic-intervention-against-nasopharyngeal-carcinoma
#4
Rajeev K Tyagi, Rajesh Parmar, Naisargee Patel
The recurrent nasopharyngeal carcinoma of head-and-neck cancers pathology showed unique symptoms and clinical characteristics. The complexity of pathology poses challenges for developing therapeutic interventional approaches against nasopharyngeal carcinoma (NPC). The conventional treatment regimens offer limited local control and survival, which, leads to adverse delayed complications. Our study present a generic monocyte derived dendritic cell (MoDC) vaccine strategy for NPC in which RNA is used as a source of tumor-associated antigens (TAAgs)...
November 30, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27898919/altering-the-time-of-vaccination-against-respiratory-pathogens-to-enhance-antibody-response-and-performance-of-feeder-cattle
#5
K D Lippolis, R F Cooke, K M Schubach, A P Brandão, L G T da Silva, R S Marques, D W Bohnert
Ninety Angus × Hereford calves were ranked by sex, BW, and age and assigned to 1 of 3 vaccination schemes against the bovine respiratory disease complex: 1) vaccination at weaning (d 0) and a booster at feedlot entry (d 30; CON; = 30), 2) vaccination 15 d before weaning (d -15) and a booster 15 d before feedlot entry (d 15; EARLY; = 30), and 3) vaccination 15 d after weaning (d 15) and a booster 15 d after feedlot entry (d 45; DELAYED; = 30). From d -15 to 7, calves were maintained as a single group on pasture...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27884478/vaccine-provision-delivering-sustained-widespread-use
#6
Scott Preiss, Nathalie Garçon, Anthony L Cunningham, Richard Strugnell, Leonard R Friedland
The administration of a vaccine to a recipient is the final step in a development and production process that may have begun several decades earlier. Here we describe the scale and complexity of the processes that brings a candidate vaccine through clinical development to the recipient. These challenges include ensuring vaccine quality (between 100 and 500 different Quality Control tests are performed during production to continually assess safety, potency and purity); making decisions about optimal vaccine presentation (pre-filled syringes versus multi-dose vials) that affect capacity and supply; and the importance of maintaining the vaccine cold chain (most vaccines have stringent storage temperature requirements necessary to maintain activity and potency)...
November 21, 2016: Vaccine
https://www.readbyqxmd.com/read/27876864/identification-of-an-infectious-bronchitis-coronavirus-strain-exhibiting-a-classical-genotype-but-altered-antigenicity-pathogenicity-and-innate-immunity-profile
#7
Shu-Yi Lin, Yao-Tsun Li, You-Ting Chen, Ting-Chih Chen, Che-Ming J Hu, Hui-Wen Chen
Avian coronavirus infectious bronchitis virus (IBV) poses economic threat to the poultry industry worldwide. Pathogenic IBV 3575/08 was isolated from broilers vaccinated with the attenuated viral vaccine derived from a Taiwan strain 2575/98. In this study, extensive investigations were conducted on the genome sequences, antigenicity, pathogenicity, and host immune responses of several IBV strains in specific-pathogen-free chickens. Sequence analyses revealed that 3575/08 and 2575/98 shared high homology in their structural genes, but not in non-structural accessory proteins such as 3a, 3b and 5b...
November 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27872016/tuberculosis-eradication-versus-control
#8
Marco Schito, Debra Hanna, Alimuddin Zumla
According to the World Health Organization (WHO), 10.4 million people succumbed to tuberculosis (TB) in 2015 and is now the number one cause of death world-wide from a preventable infectious disease. Bold vision is needed from global leaders and plans have been proposed to end the TB epidemic. However enthusiasm must be matched by tangible and achievable goals based on the science and available funding. In order to reach the target and goals set by the WHO's End-TB Strategy, the challenges for TB eradication need to be addressed...
November 18, 2016: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/27864558/prospective-study-of-the-innate-cellular-immune-response-in-low-vaccine-responder-children
#9
Naveen Surendran, Ted Nicolosi, Ravinder Kaur, Matthew Morris, Michael Pichichero
We recently reported our findings from a longitudinal, prospective study where we identified 10% infants who were low vaccine responders (LVR) at age 9-12 mo following routine primary series vaccine schedule. We found multiple cellular deficiencies in LVR children, including low number of memory B cells, reduced polyclonal stimulation of naïve/memory T cell response and suboptimal APC response. These children outgrew their poor vaccine response by the time they received booster doses of vaccine. Studies in human infant innate immunity are rare because of the unique challenges in specimen collection...
November 18, 2016: Innate Immunity
https://www.readbyqxmd.com/read/27863635/cochlear-implantation-of-solid-organ-transplant-patients-receiving-immunosuppressive-therapy
#10
Bushra Ayub, Nancy M Young
OBJECTIVE: To evaluate the incidence of infectious complications and healing problems in cochlear implant (CI) patients receiving immunosuppressive therapy following solid organ transplant. STUDY DESIGN: IRB-approved retrospective chart review of implanted patients. SETTING: Tertiary care children's hospital. METHODS: Seven patients of the more than 1000 implanted during the time period between 1991 and 2014 underwent cochlear implantation while on immunosuppressive therapy after having received a solid organ transplant...
December 2016: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/27862309/study-of-greek-children-and-youths-with-cystic-fibrosis-identifies-immunisation-gaps-and-delays
#11
Helena C Maltezou, Stavros Doudounakis, Maria Lekaditi, Kalliopi Tanou, Panos Katerelos, Maria Theodoridou
AIM: Data about immunisation rates in cystic fibrosis (CF) patients are scarce. We estimated the rates and timeliness of immunisations in CF patients aged 0.55-22 years. METHODS: We studied 122 subjects at a hospital in Greece in 2014. A standard questionnaire was used to collect data and parents' opinions about immunisations. RESULTS: The complete immunisation rates were 92.6% for diphtheria-tetanus-acellular pertussis-inactivated poliomyelitis-Haemophilus influenzae (DTaP-IPV-Hib), 96...
November 10, 2016: Acta Paediatrica
https://www.readbyqxmd.com/read/27859369/childhood-macrophagic-myofasciitis-a-series-from-the-indian-subcontinent
#12
Aanchal Kakkar, Madhu Rajeshwari, Aasma Nalwa, Vaishali Suri, Chitra Sarkar, Biswaroop Chakrabarty, Sheffali Gulati, Mehar C Sharma
INTRODUCTION: Macrophagic myofasciitis (MMF) is a rare disorder, reported mainly in European adults, with occasional childhood cases. We report a series of 6 patients with pediatric MMF from the Indian subcontinent. METHODS: Clinical details, creatine kinase levels, and results of electromyography are described for patients diagnosed with MMF. Fresh-frozen and formalin-fixed muscle biopsies were evaluated by hematoxylin-eosin staining, histochemistry, immunohistochemistry, and electron microscopy...
November 11, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27855644/febrile-illness-diagnostics-and-the-malaria-industrial-complex-a-socio-environmental-perspective
#13
Justin Stoler, Gordon A Awandare
BACKGROUND: Global prioritization of single-disease eradication programs over improvements to basic diagnostic capacity in the Global South have left the world unprepared for epidemics of chikungunya, Ebola, Zika, and whatever lies on the horizon. The medical establishment is slowly realizing that in many parts of sub-Saharan Africa (SSA), particularly urban areas, up to a third of patients suffering from acute fever do not receive a correct diagnosis of their infection. MAIN BODY: Malaria is the most common diagnosis for febrile patients in low-resource health care settings, and malaria misdiagnosis has soared due to the institutionalization of malaria as the primary febrile illness of SSA by international development organizations and national malaria control programs...
November 17, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27851831/speeding-access-to-vaccines-and-medicines-in-low-and-middle-income-countries-a-case-for-change-and-a-framework-for-optimized-product-market-authorization
#14
Vincent Ahonkhai, Samuel F Martins, Alexandre Portet, Murray Lumpkin, Dan Hartman
BACKGROUND: The United Nations Millennium Development Goals galvanized global efforts to alleviate suffering of the world's poorest people through unprecedented public-private partnerships. Donor aid agencies have demonstrably saved millions of lives that might otherwise have been lost to disease through increased access to quality-assured vaccines and medicines. Yet, the introduction of these health interventions in low- and middle-income countries (LMICs) continues to face a time lag due to factors which remain poorly understood...
2016: PloS One
https://www.readbyqxmd.com/read/27847298/nsp4-antibody-levels-in-rotavirus-gastroenteritis-patients-with-seizures
#15
Jung Sook Yeom, Young-Soo Kim, Jin-Su Jun, Hyun Jung Do, Ji Sook Park, Ji-Hyun Seo, Eun Sil Park, Jae-Young Lim, Hyang-Ok Woo, Chan-Hoo Park, Hee-Shang Youn
BACKGROUND: Rotavirus nonstructural protein 4 (NSP4) has been suggested as a pathogen of rotavirus-associated seizures. We investigated pre-existing serum antibodies against NSP4 and VP6 (the most highly immunogenic rotavirus protein) in patients with rotavirus gastroenteritis and its correlation with the occurrence of seizures. METHODS: With an enzyme-linked immunosorbent assay, IgG and IgA titers against NSP4 (genotype [A] and [B]) and VP6 were measured in acute-phase sera of 202 children aged 0...
November 1, 2016: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/27842585/immunisation-timeliness-in-a-cohort-of-urban-aboriginal-and-torres-strait-islander-children
#16
Yolanda G Lovie-Toon, Kerry K Hall, Anne B Chang, Jennie Anderson, Kerry-Ann F O'Grady
BACKGROUND: To evaluate immunisation coverage, timeliness and predictors of delayed receipt in urban Australian Indigenous children during the first 18 months of life. METHODS: Cross-sectional retrospective analysis of data collected from 140 Australian Indigenous children aged < 5 years at the time of enrolment in a prospective cohort study on respiratory illness between 14 February 2013 and 28 January 2015. Children were recruited through an urban community primary health care centre in the Northern suburbs of Brisbane, Queensland...
November 14, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27830736/viral-vector-vaccines-expressing-nucleoprotein-and-phosphoprotein-genes-of-avian-bornaviruses-ameliorate-homologous-challenge-infections-in-cockatiels-and-common-canaries
#17
Marita Olbert, Angela Römer-Oberdörfer, Christiane Herden, Sara Malberg, Solveig Runge, Peter Staeheli, Dennis Rubbenstroth
Avian bornaviruses are causative agents of proventricular dilatation disease (PDD), an often fatal disease of parrots and related species (order Psittaciformes) which is widely distributed in captive psittacine populations and may affect endangered species. Here, we established a vaccination strategy employing two different well described viral vectors, namely recombinant Newcastle disease virus (NDV) and modified vaccinia virus Ankara (MVA) that were engineered to express the phosphoprotein and nucleoprotein genes of two avian bornaviruses, parrot bornavirus 4 (PaBV-4) and canary bornavirus 2 (CnBV-2)...
November 10, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27828810/community-acquired-bacterial-meningitis
#18
Joost M Costerus, Matthijs C Brouwer, Merijn W Bijlsma, Diederik van de Beek
PURPOSE OF REVIEW: Bacterial meningitis is a medical emergency and is associated with a high disease burden. We reviewed recent progress in the management of patients with community-acquired bacterial meningitis. RECENT FINDINGS: The worldwide burden of disease of bacterial meningitis remains high, despite the decreasing incidence following introduction of routine vaccination campaigns. Delay in diagnosis and treatment remain major concerns in the management of acute bacterial meningitis...
November 8, 2016: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/27818728/evaluation-of-haemagglutinin-content-by-rp-hplc-to-generate-pandemic-influenza-vaccine
#19
Hyunkyung Kang, Hang Sik Roh, Hyemin Song, Kwangmoon Lee, Seung-Tae Chung, Sang-Ja Ban, In Pil Mo, Beum-Soo An, Chi-Young Ahn
The potency of influenza vaccine is determined based on its hemagglutinin (HA) content. In general, single radial immunodiffusion (SRID) assay has been utilized as the standard method to measure HA content. However, preparation of reagents for SRID such as antigen and antibody takes approximately 2~3 months, which causes delays in the development of influenza vaccine. Therefore, quantification of HA content by other alternative methods is required. In this study, we measured HA contents of H1N1 antigen and H1N1 influenza vaccine by reverse phase-high performance liquid chromatography (RP-HPLC) methods...
October 2016: Toxicological Research
https://www.readbyqxmd.com/read/27817982/from-genotype-to-phenotype-in-dravet-disease
#20
Svetlana Gataullina, Olivier Dulac
Dravet syndrome combines clonic generalized, focal or unilateral seizures, beginning within the first year of life, often triggered by hyperthermia whatever its cause, including pertussis vaccination. Long-lasting febrile seizures are frequent in infancy and repeat status epilepticus (SE) has negative prognostic value. Massive myoclonus, rare absences, complex partial seizures and generalized spikes may appear several years later. Myoclonic status may occur in childhood, but acute encephalopathy with febrile SE followed by ischemic lesions and psychomotor impairment, the most severe condition, occurs mainly within the first five years of life...
October 21, 2016: Seizure: the Journal of the British Epilepsy Association
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