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Pertussis vaccines

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https://www.readbyqxmd.com/read/28103277/protection-elicited-by-nasal-immunization-with-recombinant-pneumococcal-surface-protein-a-rpspa-adjuvanted-with-whole-cell-pertussis-vaccine-wp-against-co-colonization-of-mice-with-streptococcus-pneumoniae
#1
Rafaella O Tostes, Tasson C Rodrigues, Josefa B da Silva, Alessandra S Schanoski, Maria Leonor S Oliveira, Eliane N Miyaji
A promising alternative vaccine candidate to reduce the burden of pneumococcal diseases is the protein antigen PspA (Pneumococcal surface protein A). Since concomitant colonization with two or more pneumococcal strains is very common in children, we aimed to determine if immunization with PspA would be able to control co-colonization. We evaluated nasal immunization with recombinant PspA (rPspA) in a model of co-colonization with two strains expressing different PspAs. Mice were immunized intranasally with rPspAs from clades 1 to 4 (rPspA1, rPspA2, rPspA3 or rPspA4) using whole-cell pertussis vaccine (wP) as adjuvant...
2017: PloS One
https://www.readbyqxmd.com/read/28103212/coverage-with-tetanus-diphtheria-and-acellular-pertussis-vaccine-and-influenza-vaccine-among-pregnant-women-minnesota-march-2013-december-2014
#2
Alexandra Barber, Miriam Halstead Muscoplat, Anna Fedorowicz
Pertussis and influenza infections can result in severe disease in infants. The diphtheria, tetanus, acellular pertussis (DTaP) vaccine is recommended for infants beginning at age 2 months, and influenza vaccine is recommended for infants aged ≥6 months. Vaccination of pregnant women induces the production of antibodies that are transferred across the placenta to the fetus and provide passive protection until infants are old enough to receive DTaP and influenza vaccines (1-3). To protect young infants before they are age-eligible for vaccination, the Advisory Committee on Immunization Practices (ACIP) has recommended since 2004 that all women who are or will be pregnant during influenza season receive inactivated influenza vaccine (1), and since 2013 that all pregnant women receive the tetanus, diphtheria, acellular pertussis (Tdap) vaccine (3)...
January 20, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28101779/randomized-controlled-trial-of-topical-emla-and-vapocoolant-spray-for-reducing-pain-during-wdpt-vaccination
#3
Navratan Kumar Gupta, Amit Upadhyay, Ajeet Kumar Dwivedi, Astha Agarwal, Vijay Jaiswal, Abhishek Singh
BACKGROUND: Intramuscular vaccination is among the most common source of iatrogenic pain in infants. Vapocoolant sprays are rapid-acting alternative to topical anesthetics. They provide transient anesthesia via evaporation induced skin cooling, and reduce pain due to vaccine injection in children and adults. The objective was to compare the synergistic analgesic effect of eutectic mixture of local anesthetics (EMLA) with breastfeeding (EB group) and vapocoolant spay with breastfeeding (VB group) to that of only breastfeeding (BO group) during whole cell diptheria, pertussis and tetanus (wDPT) vaccination...
January 19, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28095485/bordetella-parapertussis-circumvents-neutrophil-extracellular-bactericidal-mechanisms
#4
Juan Gorgojo, Emilia Scharrig, Ricardo M Gómez, Eric T Harvill, Maria Eugenia Rodríguez
B. parapertussis is a whooping cough etiological agent with the ability to evade the immune response induced by pertussis vaccines. We previously demonstrated that in the absence of opsonic antibodies B. parapertussis hampers phagocytosis by neutrophils and macrophages and, when phagocytosed, blocks intracellular killing by interfering with phagolysosomal fusion. But neutrophils can kill and/or immobilize extracellular bacteria through non-phagocytic mechanisms such as degranulation and neutrophil extracellular traps (NETs)...
2017: PloS One
https://www.readbyqxmd.com/read/28094831/barnvaccinationsprogrammet-%C3%A2-effektivt-men-otillr%C3%A3-ckligt-erfarenheter-fr%C3%A3-n-astrid-lindgrens-barnsjukhus-2008%C3%A2-2013
#5
Åsa Laestadius, Anna Nilsson, Rutger Bennet, Gordana Bogdanovic, Margareta Eriksson
The national Swedish immunisation programme includes vaccine against diphtheria, tetanus, polio, pertussis, Haemophilus influenzae type B, Pneumococcus as well as measles, mumps and rubella. Data were collected on hospital admissions for children 0- 17 years of age of vaccine-preventable diseases during 2008-2013 at Astrid Lindgren Children's Hospital, Stockholm. Patients were identified by discharge diagnosis codes as well as from the clinical microbiology laboratory. There were rare cases of measles and mumps, and only a few cases of invasive bacterial diseases...
January 16, 2017: Läkartidningen
https://www.readbyqxmd.com/read/28093690/knowledge-attitudes-and-perceptions-about-routine-childhood-vaccinations-among-jewish-ultra-orthodox-mothers-residing-in-communities-with-low-vaccination-coverage-in-the-jerusalem-district
#6
Chen Stein Zamir, Avi Israeli
Background and aims Childhood vaccinations are an important component of primary prevention. Maternal and Child Health (MCH) clinics in Israel provide routine vaccinations without charge. Several vaccine-preventable-diseases outbreaks (measles, mumps) emerged in Jerusalem in the past decade. We aimed to study attitudes and knowledge on vaccinations among mothers, in communities with low immunization coverage. Methods A qualitative study including focus groups and semi-structured interviews. Results Low immunization coverage was defined below the district's mean (age 2 years, 2013) for measles-mumps-rubella-varicella 1st dose (MMR1\MMRV1) and diphtheria-tetanus-pertussis 4th dose (DTaP4), 96 and 89%, respectively...
January 16, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28091579/impact-of-age-and-vaccination-history-on-long-term-serological-responses-after-symptomatic-b-pertussis-infection-a-high-dimensional-data-analysis
#7
Inonge van Twillert, Axel A Bonačić Marinović, Betsy Kuipers, Jacqueline A M van Gaans-van den Brink, Elisabeth A M Sanders, Cécile A C M van Els
Capturing the complexity and waning patterns of co-occurring immunoglobulin (Ig) responses after clinical B. pertussis infection may help understand how the human host gradually loses protection against whooping cough. We applied bi-exponential modelling to characterise and compare B. pertussis specific serological dynamics in a comprehensive database of IgG, IgG subclass and IgA responses to Ptx, FHA, Prn, Fim2/3 and OMV antigens of (ex-) symptomatic pertussis cases across all age groups. The decay model revealed that antigen type and age group were major factors determining differences in levels and kinetics of Ig (sub) classes...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091337/assessing-the-social-and-environmental-determinants-of-pertussis-epidemics-in-queensland-australia-a-bayesian-spatio-temporal-analysis
#8
X Huang, S Lambert, C Lau, R J Soares Magalhaes, J Marquess, M Rajmokan, G Milinovich, W Hu
Pertussis epidemics have displayed substantial spatial heterogeneity in countries with high socioeconomic conditions and high vaccine coverage. This study aims to investigate the relationship between pertussis risk and socio-environmental factors on the spatio-temporal variation underlying pertussis infection. We obtained daily case numbers of pertussis notifications from Queensland Health, Australia by postal area, for the period January 2006 to December 2012. A Bayesian spatio-temporal model was used to quantify the relationship between monthly pertussis incidence and socio-environmental factors...
January 16, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28088399/the-timing-of-pertussis-cases-in-unvaccinated-children-in-an-outbreak-year-oregon-2012
#9
Steve G Robison, Juventila Liko
OBJECTIVE: To assess whether, during a 2012 pertussis outbreak, unvaccinated and poorly vaccinated cases occurred earlier on a community level. STUDY DESIGN: Pediatric pertussis among children 2 months to 10 years of age in the Oregon Sentinel Surveillance region during an epidemic starting at the beginning of 2012 were stratified by immunization status, age, zip code, and calendar date of disease onset. Differences in median onset as days between fully or mostly vaccinated, poorly vaccinated, and unvaccinated cases were examined overall and within local zip code areas...
January 11, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28079006/a-new-vaccine-delivery-vehicle-and-adjuvant-candidate-bordetella-pertussis-inactivated-whole-cells-entrapped-in-alginate-microspheres
#10
Naser Mohammadpour Dounighi, Fereshteh Shahcheraghi, Mehdi Razzaghi-Abyaneh, Mojtaba Nofeli, Hossein Zolfagharian
There is no doubt about whole cell pertussis vaccine efficacy, but it is necessary to improve the vaccine quality specially to decreasing its toxicity by obtaining good immunogenicity with low bacteria number content. In this work, under optimum condition inactivated B. pertussis bacteria cells entrapped alginate microparticles were fabricated and in vivo immunogenicity and potency of new microparticle based vaccine evaluated in mice. Microspheres loaded inactive B. pertussis bacterium cells were prepared via an emulsification method and analyzed for morphology, size, polydispersity index, loading efficiency, loading capacity, release profile and in vivo potency...
January 12, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28076445/emerging-bordetella-pertussis-strains-induce-enhanced-signaling-of-human-pattern-recognition-receptors-tlr2-nod2-and-secretion-of-il-10-by-dendritic-cells
#11
Elise S Hovingh, Marjolein van Gent, Hendrik-Jan Hamstra, Marc Demkes, Frits R Mooi, Elena Pinelli
Vaccines against pertussis have been available for more than 60 years. Nonetheless, this highly contagious disease is reemerging even in countries with high vaccination coverage. Genetic changes of Bordetella pertussis over time have been suggested to contribute to the resurgence of pertussis, as these changes may favor escape from vaccine-induced immunity. Nonetheless, studies on the effects of these bacterial changes on the immune response are limited. Here, we characterize innate immune recognition and activation by a collection of genetically diverse B...
2017: PloS One
https://www.readbyqxmd.com/read/28073985/population-based-pertussis-incidence-and-risk-factors-in-infants-less-than-6-months-in-nepal
#12
Michelle M Hughes, Janet A Englund, Jane Kuypers, James M Tielsch, Subarna K Khatry, Laxman Shrestha, Steven C LeClerq, Mark Steinhoff, Joanne Katz
BACKGROUND: Pertussis is estimated to cause 2 percent of childhood deaths globally and is a growing public health problem in developed countries despite high vaccination coverage. Infants are at greatest risk of morbidity and mortality. Maternal vaccination during pregnancy may be effective to prevent pertussis in young infants, but population-based estimates of disease burden in infants are lacking, particularly in low-income countries. The objective of this study was to estimate the incidence of pertussis in infants less than 6 months of age in Sarlahi District, Nepal...
January 10, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28072958/-investigation-on-immunization-program-coverage-rate-and-its-safety-in-children-with-tuberous-sclerosis
#13
Y Gao, L P Zou, M N Zhang, L Y Pang, Y Y Wang, S F Ma, L L Huang
Objective: To investigate the status of immunization of National Immunization Program (NIP) and its adverse reaction rate in children with tuberous sclerosis. Method: Questionnaire survey was adopted to identify the vaccination coverage and its adverse events; 72 cases of children with tuberous sclerosis and 78 normal controls (healthy children completing age-appropriate NIP) admitted to Chinese People's Liberation Army General Hospital from December 2014 to November 2015 were involved into this study. Result: The age-appropriate NIP coverage rate of tuberous sclerosis was 36%(26/72)...
January 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28067718/immunogenicity-and-safety-of-a-booster-injection-of-dtap-ipv-hib-pentaxim%C3%A2-administered-concomitantly-with-tetravalent-dengue-vaccine-in-healthy-toddlers-aged-15-to-18-months-in-mexico-a-randomized-trial
#14
Flor Irene Rodriguez Melo, José Juan Renteria Morales, Abiel Homero Mascareñas De Los Santos, Enrique Rivas, Claire Vigne, Fernando Noriega
BACKGROUND: The live, attenuated, tetravalent dengue vaccine (CYD-TDV) is licensed in a number of dengue endemic countries for individuals ≥9 years old. Before integration of any vaccine into childhood vaccination schedules, a lack of immune interference and acceptable safety when co-administered with other recommended vaccines should be demonstrated. METHODS: This randomized, multi-center, Phase III trial was conducted in Mexico. Healthy toddlers (n=732) received a booster dose of a licensed pentavalent combination vaccine (diphtheria, tetanus, acellular pertussis, inactivated polio vaccine, and Haemophilus influenzae type b [DTaP-IPV//Hib]) either concomitantly or sequentially with the second dose of CYD-TDV administered as a 3-dose schedule...
January 6, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28067717/risk-of-pertussis-in-relation-to-degree-of-prematurity-in-children-2-years-of-age
#15
Øystein Rolandsen Riise, Ida Laake, Didrik Vestrheim, Elmira Flem, Dag Moster, Marianne Adeleide Riise Bergsaker, Jann Storsæter
BACKGROUND: A few previous studies reported increased risk of pertussis in children with birth weight < 2500g. The risk of pertussis by degree of prematurity has not been determined in a cohort study. The vaccine effectiveness (VE) against reported pertussis in preterm infants is unknown. METHODS: Data were obtained from the Medical Birth Registry of Norway (1998-2010) and linked to other national registries. In total, 713,166 children were included in our study and followed until 2 years of age...
January 6, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28065204/risk-factors-for-pertussis-in-adults-and-teenagers-in-england
#16
A Wensley, G J Hughes, H Campbell, G Amirthalingam, N Andrews, N Young, L Coole
Pertussis is a vaccine-preventable respiratory infection caused by Bordetella pertussis which can be fatal in infants. Although high vaccine coverage led to prolonged disease control in England, a national outbreak of pertussis in 2011 led to the largest increase in over two decades, including a marked increase in cases aged ⩾15 years. A case-control study in four regions of England was undertaken to investigate risk factors for pertussis in adolescents and adults, specifically employment type and professional and household contact with children...
January 9, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28063725/despite-awareness-of-recommendations-why-do-health-care-workers-not-immunize-pregnant-women
#17
Anat Gesser-Edelsburg, Yaffa Shir-Raz, Samah Hayek, Sharon Aassaraf, Lior Lowenstein
Studies indicate uncertainty surrounding vaccination safety and efficacy for pregnant women, causing a central problem for health authorities. In this study, approximately 26% of participants do not recommend the tetanus, diphtheria, and acellular pertussis and influenza vaccines to their patients, although being aware of the health ministry recommendations. We found significant statistical discrepancies between the knowledge about the recommendations and their actual implementation, revealing the concerns of health care workers regarding vaccine safety...
January 4, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28060041/estimating-pertussis-susceptibility-among-0-23-month-old-children-in-the-united-states-using-national-immunization-survey-nis-2013
#18
Lana Childs, Robert A Bednarczyk
BACKGROUND: Despite high pertussis-containing vaccine coverage in the United States (US), children who are unvaccinated or not fully vaccinated remain susceptible to pertussis. Over multiple birth cohorts of incomplete vaccination, the number of children not immune to pertussis will accumulate due to factors such as age-specific vaccination status and dose-specific vaccine effectiveness. The total number of pertussis-susceptible children 0-23 months of age in the US is unknown. METHODS: Using data on age-specific pertussis-containing vaccine receipt among children evaluated in the 2013 National Immunization Survey (born between February 2011 and June 2012), and accounting for vaccine effectiveness, and maternal transfer of anti-pertussis antibodies, we estimated the cumulative number of pertussis-susceptible children 0-23 months of age...
January 3, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28045580/immune-persistence-after-pertussis-vaccination
#19
Zhiyun Chen, Qiushui He
Pertussis is one of the most prevalent vaccine-preventable diseases worldwide. The true infection rate is significantly higher than the reported incidence rate. An increased prevalence of pertussis in older populations has been found, mainly caused by waning immunity after vaccination. Vaccine-induced immunity differs due to variation in vaccine content, schedule and coverage. Protection following acellular pertussis vaccines has been suggested to wane faster than whole cell pertussis vaccines. However, long-term immune persistence of whole cell pertussis vaccines may be confounded by a progressive acquisition of natural immunity...
January 3, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28040688/prevalence-of-pertussis-antibodies-in-maternal-blood-cord-serum-and-infants-from-mothers-with-and-those-without-tdap-booster-vaccination-during-pregnancy-in-argentina
#20
Aurelia A Fallo, Silvina E Neyro, Gabriela V Manonelles, Claudia Lara, Daniela Hozbor, Jonathan Zintgraff, Silvina Mazzeo, Héctor E Davison, Susana González, Estella Zapulla, Oscar Canle, Miguel Huespe, Marcelo Galas, Eduardo L López
BACKGROUND: Morbidity and mortality rates for pertussis in infants are high because disease often occurs before the onset of routine immunization or in those who do not complete a primary immunization series. Pertussis immunization is recommended during pregnancy to achieve antibody levels sufficient to protect young infants. To our knowledge, no previous reports of maternal pertussis immunization results in Latin America exist in the literature. METHODS: This study compared pertussis antibody levels in newborns from mothers who received or did not receive a tetanus-diphtheria-acellular pertussis vaccination (TdapV) during pregnancy...
December 30, 2016: Journal of the Pediatric Infectious Diseases Society
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