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Whooping cough

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https://www.readbyqxmd.com/read/28816807/a-whooping-cough-education-module-for-wic-clients-in-utah
#1
Karlen E Luthy, Alicia Anderson, Janelle Macintosh, Renea L Beckstrand, Lacey M Eden, Ryan Amy, Christopher I Macintosh
BACKGROUND: Clients in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) are required to complete education modules quarterly to maintain eligibility. The purposes of this project were to: (1) create a whooping cough vaccination education module for WIC clients; (2) evaluate baseline perceptions of WIC clients on the whooping cough vaccine and disease; and (3) evaluate whooping cough knowledge following completion of the module. PROBLEM: A decline in vaccination rates among infants and children using WIC services was reported by a local WIC program director who requested whooping cough vaccination education materials...
September 2017: MCN. the American Journal of Maternal Child Nursing
https://www.readbyqxmd.com/read/28760979/phospholipase-a-activity-of-adenylate-cyclase-toxin-mediates-translocation-of-its-adenylate-cyclase-domain
#2
David González-Bullón, Kepa B Uribe, César Martín, Helena Ostolaza
Adenylate cyclase toxin (ACT or CyaA) plays a crucial role in respiratory tract colonization and virulence of the whooping cough causative bacterium Bordetella pertussis Secreted as soluble protein, it targets myeloid cells expressing the CD11b/CD18 integrin and on delivery of its N-terminal adenylate cyclase catalytic domain (AC domain) into the cytosol, generates uncontrolled toxic levels of cAMP that ablates bactericidal capacities of phagocytes. Our study deciphers the fundamentals of the heretofore poorly understood molecular mechanism by which the ACT enzyme domain directly crosses the host cell membrane...
August 15, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28752940/protective-effects-of-in-vivo-expressed-autotransporters-against-bordetella-pertussis-infection
#3
Koichiro Suzuki, Naoaki Shinzawa, Keisuke Ishigaki, Keiji Nakamura, Hiroyuki Abe, Aya Fukui-Miyazaki, Kazuyoshi Ikuta, Yasuhiko Horiguchi
Bordetella pertussis causes whooping cough, a severe and prolonged respiratory disease that results in high morbidity and mortality rates, particularly in developing countries. The number of whooping cough cases is increasing in many countries despite high vaccine coverage. Causes for the re-emergence of the disease include the limited duration of protection conferred by the acellular pertussis vaccines (aP) and pathogenic adaptations that involve antigenic divergence from vaccine strains. Therefore, current vaccines need to be improved...
July 28, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28742139/acquisition-of-c1-inhibitor-by-bordetella-pertussis-virulence-associated-gene-8-results-in-c2-and-c4-consumption-away-from-the-bacterial-surface
#4
Elise S Hovingh, Bryan van den Broek, Betsy Kuipers, Elena Pinelli, Suzan H M Rooijakkers, Ilse Jongerius
Whooping cough, or pertussis, is a contagious disease of the respiratory tract that is re-emerging worldwide despite high vaccination coverage. The causative agent of this disease is the Gram-negative Bordetella pertussis. Knowledge on complement evasion strategies of this pathogen is limited. However, this is of great importance for future vaccine development as it has become apparent that a novel pertussis vaccine is needed. Here, we unravel the effect of Virulence associated gene 8 (Vag8) of B. pertussis on the human complement system at the molecular level...
July 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28737625/a-national-seroepidemiologic-survey-of-pertussis-among-school-children-in-taiwan
#5
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
#6
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/28715411/a-curated-genome-scale-metabolic-model-of-bordetella-pertussis-metabolism
#7
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 2017: PLoS Computational Biology
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
#8
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/28663369/structure-and-function-analyses-of-a-pertussis-like-toxin-from-pathogenic-escherichia-coli-reveal-a-distinct-mechanism-of-inhibition-of-trimeric-g-proteins
#9
Dene R Littler, Sheng Y Ang, Danilo G Moriel, Martina Kocan, Oded Kleifeld, Mathew D Johnson, Mai T Tran, Adrienne W Paton, James C Paton, Roger Summers, Mark Schrembri, Jamie Rossjohn, Travis T Beddoe
Pertussis-like toxins are secreted by several bacterial pathogens during infection. They belong to the AB5 virulence factors, which bind to glycans on host cell membranes for internalization. Host cell recognition and internalization are mediated by toxin B subunits sharing a unique pentameric ring-like assembly. While the role of pertussis toxin in whooping cough is well established, pertussis-like toxins produced by other bacteria are less studied and their mechanisms of action are unclear. Here, we report that some extra-intestinal Escherichia coli pathogens (i...
June 29, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28647179/euphorbia-neriifolia-l-review-on-botany-ethnomedicinal-uses-phytochemistry-and-biological-activities
#10
REVIEW
Prashant Y Mali, Shital S Panchal
The present review is intended to provide information on botany, ethnomedicinal uses, phytochemistry and biological activities of various parts of Euphorbia neriifolia (E. neriifolia). E. neriifolia has several ethnomedicinal uses. The latex of E. neriifolia is used as laxative, purgative, rubefacient, carminative and expectorant as well as in treatment of whooping cough, gonorrhoea, leprosy, asthma, dyspepsia, jaundice, enlargement of the spleen, tumours, stone in the bladder, abdominal troubles and leucoderma...
May 2017: Asian Pacific Journal of Tropical Medicine
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/28632823/-features-of-bordetella-pertussis-bordetella-spp-infection-and-whopping-cough-in-c%C3%A3-rdoba-province-argentina
#13
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/28624362/pulvis-fellis-suis-extract-attenuates-ovalbumin-induced-airway-inflammation-in-murine-model-of-asthma
#14
Jiao He, Le Lv, Ziye Wang, Chuanchuan Huo, Zongwei Zheng, Bing Yin, Peizhi Jiang, Yang Yang, Jing Li, Yuan Gao, Jing Xue
ETHNOPHARMACOLOGICAL RELEVANCE: Pulvis Fellis Suis (PFS), named with "Zhu Danfen" in China, has been extensively used for the therapy of enteritis, acute pharyngitis, whooping cough and asthma in folk medicine. Although PFS shows anti-inflammatory activities, its effect on airway inflammation in asthma has not been studied. AIM OF THE STUDY: To explore the protective effect of PFS ethanol extract against airway inflammation in asthmatic mice. MATERIALS AND METHODS: Allergic asthma in mice was sensitized and challenged by OVA...
June 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28623146/an-update-of-the-global-burden-of-pertussis-in-children-younger-than-5-years-a-modelling-study
#15
Karene Hoi Ting Yeung, Philippe Duclos, E Anthony S Nelson, Raymond Christiaan W Hutubessy
BACKGROUND: Since the publication in 2003 of a model to estimate the disease burden of pertussis, new evidence of the protective effect of incomplete pertussis vaccination against severe pertussis has been reported. We revised the model to provide new estimates of regional and global pertussis cases and deaths for children younger than 5 years. METHODS: We developed a revised model with data from 2014 to estimate pertussis cases and deaths. Pertussis cases were defined according to the WHO clinical case definition, as a coughing illness lasting at least 2 weeks with paroxysms of coughing, inspiratory whooping, or post-tussive vomiting...
June 13, 2017: Lancet Infectious Diseases
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/28617254/pertussis-in-infants-and-the-resurgence-of-a-vaccine-preventable-disease-what-to-do-commentary
#18
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/28598324/a-case-control-study-to-assess-the-effectiveness-of-pertussis-vaccination-during-pregnancy-on-newborns-valencian-community-spain-1-march-2015-to-29-february-2016
#19
Juan Bellido-Blasco, Silvia Guiral-Rodrigo, Ana Míguez-Santiyán, Antonio Salazar-Cifre, Francisco González-Morán
In the Valencian Community (Spain), the programme of maternal pertussis vaccination during pregnancy started in January 2015. The objective of this study was to estimate in this region the vaccine effectiveness (VE) in protecting newborns against laboratory-confirmed pertussis infection. A matched case-control study was undertaken in the period between 1 March 2015 and 29 February 2016. Twenty-two cases and 66 controls (+/- 15 days of age difference) were included in the study. Cases were non-vaccinated infants < 3 months of age at disease onset testing positive for pertussis by real-time PCR...
June 1, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
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 2017: Journal of Medical Microbiology
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