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https://www.readbyqxmd.com/read/28737857/seroprevalence-of-bordetella-pertussis-among-vaccinated-and-unvaccinated-pregnant-women-and-newborn-infants-in-a-university-hospital-of-buenos-aires
#1
Juan J Bosch, Hilaria Fernández, Fernando P Polak, Gabriel Musante, Romina Libster, Manuel Rocca Rivarola
INTRODUCTION: Pertussis is a highly contagious disease caused by Bordetella pertussis. It poses a high morbidity and mortality rate, especially among infants younger than 6 months old. In Argentina, pertussis incidence and mortality have increased over the past three decades. OBJETIVE: To establish Bordetella pertussisantibody titers among pregnant women in their third trimester and among newborn infants, as measured in cord blood. METHODS: This was an observational, cross-sectional study...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28737625/a-national-seroepidemiologic-survey-of-pertussis-among-school-children-in-taiwan
#2
Chun-Yi Lu, Hsing-Chen Tsai, Yhu-Chering Huang, Daniel Tsung-Ning Huang, Ching-Chuan Liu, Li-Min Huang
BACKGROUND: In 2009, a booster dose of acellular pertussis vaccine for children at or before entry to elementary school was added to the national immunization program in Taiwan, which includes pertussis vaccination at 2, 4, 6, and 18 months of age. In 2013, a study to assess the level of humoral immunity against pertussis in elementary and junior high school children and adolescents was conducted. METHODS: A multistage stratified systematic sampling method was applied to randomly selected grade 1 to 9 school children for testing...
July 20, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28737189/-pertussis-vaccination-in-pregnancy-security-and-effectiveness-in-the-protection-of-the-infant
#3
Rodolfo Villena, Pamela Vidal, Felipe Carrillo, Mónica Salinas
Whooping cough is an immune preventable disease that can be life threatening. Despite infant immunization starting at 2 month of age, there are many cases and outbreaks in our country and also around the world, with a high risk of mortality specially in infants under 6 month of age. It has been proposed that antenatal vaccination with acellular pertussis component (Tdap) would be useful, safe and effective since it transfers a high antibody rate to the child, reducing the incidence of pertussis in this group by 85%...
June 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28720318/immunogenicity-and-protective-efficacy-of-a-newly-developed-tri-component-diphtheria-tetanus-and-acellular-pertussis-vaccine-in-a-murine-model
#4
Dong Ho Huh, Seung Beom Han, Hye Jo Shin, Dong Ho Ahn, Gi Sub Choi, Kyu Ri Kang, Bo Ram Kim, Jin Han Kang
BACKGROUND/PURPOSE: Although assessing the immunogenicity and protective efficacy of acellular pertussis (aP) vaccines via murine model studies faces limitations, preliminary assessments have been achieved by evaluating respiratory challenge and humoral and cellular immunity. METHODS: We performed a long-term intranasal respiratory challenge with reference and clinically isolated strains of Bordetella pertussis. Simultaneously, we assessed humoral and cellular immunity for evaluating the immunogenicity of a newly developed tri-component diphtheria-tetanus-aP (DTaP) vaccine...
June 29, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28715411/a-curated-genome-scale-metabolic-model-of-bordetella-pertussis-metabolism
#5
Nick Fyson, Jerry King, Thomas Belcher, Andrew Preston, Caroline Colijn
The Gram-negative bacterium Bordetella pertussis is the causative agent of whooping cough, a serious respiratory infection causing hundreds of thousands of deaths annually worldwide. There are effective vaccines, but their production requires growing large quantities of B. pertussis. Unfortunately, B. pertussis has relatively slow growth in culture, with low biomass yields and variable growth characteristics. B. pertussis also requires a relatively expensive growth medium. We present a new, curated flux balance analysis-based model of B...
July 17, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28707065/nasopharyngeal-pertussis-toxin-iga-antibodies-in-the-diagnosis-of-pertussis-in-australian-community-patients
#6
D Norman, M Karimi, A Herbert, M H Beaman
Nasopharyngeal aspirate (NPA) Bordetella pertussis-specific IgA antibody assay using whole-cell (WC) antigen has previously been shown to have promise in the diagnosis of patients with suspected pertussis. Recently, the use of WC assays in serum have been replaced by pertussis toxin (PT) because of specificity concerns. In this study, PT and WC B. pertussis-specific IgA antibody was assayed in 491 NPAs. Specimens also had molecular testing for the presence of B. pertussis and B. parapertussis as per the usual laboratory protocol...
July 13, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28701222/how-well-do-icd-9-physician-claim-diagnostic-codes-identify-confirmed-pertussis-cases-in-alberta-canada-a-canadian-immunization-research-network-cirn-study
#7
Sumana Fathima, Kimberley A Simmonds, Steven J Drews, Lawrence W Svenson, Jeffrey C Kwong, Salaheddin M Mahmud, Susan Quach, Caitlin Johnson, Kevin L Schwartz, Natasha S Crowcroft, Margaret L Russell
BACKGROUND: Rates of Bordetella pertussis have been increasing in Alberta, Canada despite vaccination programs. Waning immunity from existing acellular component vaccines may be contributing to this. Vaccine effectiveness can be estimated using a variety of data sources including diagnostic codes from physician billing claims, public health records, reportable disease and laboratory databases. We sought to determine if diagnostic codes from billing claims (administrative data) are adequately sensitive and specific to identify pertussis cases among patients who had undergone disease-specific laboratory testing...
July 12, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28701160/infants-hospitalized-for-bordetella-pertussis-infection-commonly-have-respiratory-viral-coinfections
#8
A Frassanito, R Nenna, A Nicolai, A Pierangeli, A E Tozzi, P Stefanelli, R Carsetti, C Concato, I Schiavoni, F Midulla
No abstract text is available yet for this article.
July 12, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28700751/a-high-seroprevalence-of-antibodies-to-pertussis-toxin-among-japanese-adults-qualitative-and-quantitative-analyses
#9
Takumi Moriuchi, Nao Otsuka, Yukihiro Hiramatsu, Keigo Shibayama, Kazunari Kamachi
In 2013, national serosurveillance detected a high seroprevalence of antibodies to pertussis toxin (PT) from Bordetella pertussis among Japanese adults. Thus, we aimed to determine the cause(s) of this high seroprevalence, and analyzed the titers of antibodies to PT and filamentous hemagglutinin (FHA) among adults (35-44 years old), young children (4-7 years old), and older children (10-14 years old). Our quantitative analyses revealed that adults had higher seroprevalences of anti-PT IgG and PT-neutralizing antibodies, and similar titers of anti-FHA IgG, compared to the young and older children...
2017: PloS One
https://www.readbyqxmd.com/read/28671092/clinical-features-of-capillary-bronchitis-related-to-bordetella-pertussis
#10
Yongsheng Xu, Jing Ning, Zhulai Zhang
Pertussis infection can mimick the clinical manifestations of lower airway infection, while the symptoms and signs in some cases are like Bronchiolitis. The paper carried out retrospective analysis of infant pertussis bordetella infected cases admitted by the Respiratory Dept. of Tianjin Children's Hospital for "capillary bronchitis" from Sept. 2015 to Feb. 2016. It analyzed its clinical features, radiological features, laboratory characteristics and outcome through comparing the capillary bronchitis cases induced by the non-bordetella pertussis...
May 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28646950/pertussis-disease-and-transmission-and-host-responses-insights-from-the-baboon-model-of-pertussis
#11
Marta V Pinto, Tod J Merkel
Whooping cough is a highly contagious, acute respiratory disease, caused by the Gram-negative bacterium Bordetella pertussis (Bp). Despite the introduction and widespread use of vaccines starting in the 1950s pertussis cases continue to be reported, with a significant global impact. The role of specific virulence factors in disease and the immune mechanisms associated with protection following natural infection or vaccination are still not completely understood. The recently-developed baboon model of clinical pertussis provides a valuable tool for the study of pertussis...
June 2017: Journal of Infection
https://www.readbyqxmd.com/read/28646697/seroepidemiology-of-whooping-cough-in-the-czech-republic-estimates-of-incidence-of-infection-in-adults
#12
R Chlibek, J Smetana, R Sosovickova, K Fabianova, J Zavadilova, P Dite, P Gal, P Naplava, D Lzicarova
OBJECTIVES: Despite widespread vaccination programmes, pertussis remains a significant health burden in many countries. Low awareness of the disease, the high rate of asymptomatic cases in adults and difficulties with diagnosis could explain the under-reporting of pertussis. The lack of data on actual incidence constitutes an obstacle for public health authorities for the implementation of a vaccination strategy against pertussis in adults. The aim of this study was to evaluate the seroprevalence of antibodies against Bordetella pertussis infection in adults and to estimate the actual incidence of the disease compared with the reported incidence...
June 21, 2017: Public Health
https://www.readbyqxmd.com/read/28640910/correction-btea-secreted-from-the-bordetella-bronchiseptica-type-iii-secetion-system-induces-necrosis-through-an-actin-cytoskeleton-signaling-pathway-and-inhibits-phagocytosis-by-macrophages
#13
Asaomi Kuwae, Fumitaka Momose, Kanna Nagamatsu, Yasuharu Suyama, Akio Abe
[This corrects the article DOI: 10.1371/journal.pone.0148387.].
2017: PloS One
https://www.readbyqxmd.com/read/28639999/the-neutrophil-to-lymphocyte-ratio-in-bordetella-pertussis-infection
#14
Anusha Ganeshalingham, Justin Wilde, Brian J Anderson
Twin infants with pertussis demonstrated contrasting differential white cell counts and clinical course. A change towards increased neutrophil production, which is associated with increased mortality, may be more easily recognized by serial documentation of the neutrophil-to-lymphocyte ratio. A ratio that is greater than one may indicate evolving life-threatening pertussis allowing early transfer to a pediatric intensive care unit.
June 20, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28632823/-features-of-bordetella-pertussis-bordetella-spp-infection-and-whopping-cough-in-c%C3%A3-rdoba-province-argentina
#15
Víctor O Giayetto, Sebastián Blanco, Arnaldo Mangeaud, María G Barbás, Analía Cudolá, Sandra V Gallego
INTRODUCTION: Whooping cough is a re-emerging infection in the world and Latin America. OBJECTIVE: It was considered relevant to investigate the clinical and epidemiological profile of Bordetella spp. and Bordetella pertussis infection in Córdoba province, Argentina; evaluating, at the same time, the co-infection with virus producing respiratory infections that may be confused with whooping cough. MATERIAL AND METHODS: All whooping cough suspected cases were studied by Polimerase Chain Reaction, amplifying the repeated insertion sequence (IS) 481 and the promoter gene encoding pertussis toxin, between 2011 and 2013...
April 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28623110/pertussis-without-apparent-cough-in-a-disabled-girl-with-a-tracheostomy
#16
Hisataka Nozawa, Kensuke Shoji, Kazuhiro Uda, Tomoo Nakamura, Mitsuru Kubota, Akira Ishiguro, Isao Miyairi
Pertussis is characterized by intense, prolonged coughing in children often followed by a distinctive whooping sound on inspiration. However, the clinical manifestations and natural course of pertussis in disabled children are largely unknown. We experienced a case of pertussis in a disabled girl who had previously undergone a tracheostomy and laryngotracheal separation. She presented with increased tracheal secretions and required hospitalization but did not develop a cough. Pertussis was suspected from the sputum Gram stain, which revealed numerous, short gram-negative rods that did not grow on chocolate agar...
June 13, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28622957/real-time-polymerase-chain-reaction-based-detection-of-bordetella-pertussis-in-mexican-infants-and-their-contacts-a-3-year-multicenter-study
#17
Alejandra Aquino-Andrade, Gabriel Martínez-Leyva, Jocelin Mérida-Vieyra, Patricia Saltigeral, Antonino Lara, Wendy Domínguez, Silvestre García de la Puente, Agustín De Colsa
OBJECTIVES: To evaluate the usefulness of real-time polymerase chain reaction (RT-PCR) as a diagnostic method for the detection of Bordetella pertussis in hospitalized patients aged <1 year with a clinical diagnosis of whooping cough, as well as to identify the role of household contacts as a source of infection. STUDY DESIGN: This was a prospective, multicenter study of infants aged <1 year who were hospitalized with symptoms suggestive of whooping cough...
June 13, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28620801/fty720-attenuates-infection-induced-enhancement-of-a%C3%AE-accumulation-in-app-ps1-mice-by-modulating-astrocytic-activation
#18
Róisín M McManus, Orla M Finucane, Mieszko M Wilk, Kingston H G Mills, Marina A Lynch
It is well established that infection has a significant detrimental effect on patients with Alzheimer's disease (AD), accelerating cognitive decline and, even in healthy ageing individuals, increasing amyloid-β (Aβ) accumulation in the brain. In animal models of AD infection can also cause damage, with evidence of increased neuroinflammation, amyloid pathology and deterioration of cognitive function. These changes are against a backdrop of an age- and AD-related increase in susceptibility to infection. Here we set out to determine whether FTY720, a molecule that binds sphingosine-1-phosphate (S1P) receptors and with known immunosuppressant effects mediating its therapeutic action in multiple sclerosis (MS), might modulate the impact of infection in a mouse model of AD...
June 15, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28617254/pertussis-in-infants-and-the-resurgence-of-a-vaccine-preventable-disease-what-to-do-commentary
#19
Giorgio Fedele, Paola Stefanelli
Pertussis or whooping cough remains one of the most poorly controlled vaccine-preventable diseases across the world. Universal vaccination has dramatically reduced its incidence but has failed to bring it completely under control. In the last decades, changes in pertussis epidemiology have been noted, likely related to the introduction of acellular pertussis vaccines. Increasing incidence is recorded among adolescents and adults who have become a reservoir for transmission to unimmunized infants, who are at risk of severe disease and death...
April 2017: Annali Dell'Istituto Superiore di Sanità
https://www.readbyqxmd.com/read/28598302/multi-locus-variable-number-tandem-repeat-analysis-of-bordetella-pertussis-isolates-circulating-in-poland-in-the-period-1959-2013
#20
Ewa Mosiej, Katarzyna Krysztopa-Grzybowska, Maciej Polak, Marta Prygiel, Anna Lutyńska
PURPOSE: Despite the long history of pertussis vaccination and high vaccination coverage in Poland and many other developed countries, pertussis incidence rates have increased substantially, making whooping cough one of the most prevalent vaccine-preventable diseases. Among the factors potentially involved in pertussis resurgence, the adaptation of the Bordetella pertussis population to country-specific vaccine-induced immunity through selection of non-vaccine-type strains still needs detailed studies...
June 9, 2017: Journal of Medical Microbiology
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