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pneumococcal pneumonia in Children

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https://www.readbyqxmd.com/read/28318766/bacille-calmette-gu%C3%A3-rin-bcg-vaccination-at-birth-and-antibody-responses-to-childhood-vaccines-a-randomised-clinical-trial
#1
Thomas Nørrelykke Nissen, Nina Marie Birk, Gaby Smits, Dorthe Lisbeth Jeppesen, Lone Graff Stensballe, Mihai G Netea, Fiona van der Klis, Christine Stabell Benn, Ole Pryds
INTRODUCTION: BCG vaccination has been associated with beneficial non-specific effects on child health. Some immunological studies have reported heterologous effects of vaccines on antibody responses to heterologous vaccines. Within a randomised clinical trial of Bacille Calmette-Guérin (BCG) vaccination at birth, The Danish Calmette Study, we investigated the effect of BCG at birth on the antibody response to the three routine vaccines against DiTeKiPol/Act-Hib and Prevenar 13 in a subgroup of participants...
March 15, 2017: Vaccine
https://www.readbyqxmd.com/read/28302673/pneumococcal-vaccine-response-after-exposure-to-parasites-in-utero-in-infancy-or-mid-childhood
#2
Monica Nayakwadi Singer, Claire Heath, Jackson Muinde, Virginia Gildengorin, Francis M Mutuku, David Vu, Dunstan Mukoko, Christopher L King, Indu J Malhotra, Charles H King, A Desirée LaBeaud
BACKGROUND AND OBJECTIVE: Streptococcus pneumoniae is a leading cause of mortality before age 5, but few studies examine details of childhood response to pneumococcal vaccine in less-developed settings. Although malnutrition, HIV, and concurrent infections can impair response, evidence suggests that chronic parasitic infections can also contribute to poor vaccination results. The objective of this study was to determine whether response to pneumococcal vaccine varied among children either exposed to parasitic infections in utero, previously infected in infancy, or infected at the time of immunization...
March 16, 2017: Pediatrics
https://www.readbyqxmd.com/read/28292980/streptococcus-pneumoniae-transmission-is-blocked-by-type-specific-immunity-in-an-infant-mouse-model
#3
Tonia Zangari, Yang Wang, Jeffrey N Weiser
Epidemiological studies on Streptococcus pneumoniae show that rates of carriage are highest in early childhood and that the major benefit of the pneumococcal conjugate vaccine (PCV) is a reduction in the incidence of nasopharyngeal colonization through decreased transmission within a population. In this study, we sought to understand how anti-S. pneumoniae immunity affects nasal shedding of bacteria, the limiting step in experimental pneumococcal transmission. Using an infant mouse model, we examined the role of immunity (passed from mother to pup) on shedding and within-litter transmission of S...
March 14, 2017: MBio
https://www.readbyqxmd.com/read/28284682/childhood-pneumococcal-disease-in-africa-a-systematic-review-and-meta-analysis-of-incidence-serotype-distribution-and-antimicrobial-susceptibility
#4
REVIEW
Pui-Ying Iroh Tam, Beth K Thielen, Stephen K Obaro, Ann M Brearley, Alexander M Kaizer, Haitao Chu, Edward N Janoff
BACKGROUND: Determining the incidence, disease-associated serotypes and antimicrobial susceptibility of invasive pneumococcal disease (IPD) among children in Africa is essential in order to monitor the impact of these infections prior to widespread introduction of the pneumococcal conjugate vaccine (PCV). METHODS: To provide updated estimates of the incidence, serotype distribution, and antimicrobial susceptibility profile of Streptococcus pneumoniae causing disease in Africa, we performed a systematic review of articles published from 2000 to 2015 using Ovid Medline and Embase...
March 8, 2017: Vaccine
https://www.readbyqxmd.com/read/28283611/bacteremia-in-children-3-to-36-months-old-after-introduction-of-conjugated-pneumococcal-vaccines
#5
Tara L Greenhow, Yun-Yi Hung, Arnd Herz
BACKGROUND AND OBJECTIVES: In June 2010, Kaiser Permanente Northern California replaced all 7-valent pneumococcal conjugate vaccine (PCV7) vaccines with the 13-valent pneumococcal conjugate vaccine (PCV13). Our objectives were to compare the incidence of bacteremia in children 3 to 36 months old by 3 time periods: pre-PCV7, post-PCV7/pre-PCV13, and post-PCV13. METHODS: We designed a retrospective review of the electronic medical records of all blood cultures collected on children 3 to 36 months old at Kaiser Permanente Northern California from September 1, 1998 to August 31, 2014 in outpatient clinics, in emergency departments, and in the first 24 hours of hospitalization...
March 10, 2017: Pediatrics
https://www.readbyqxmd.com/read/28281094/clinical-features-and-inflammatory-markers-in-pediatric-pneumonia-a-prospective-study
#6
Are Stuwitz Berg, Christopher Stephen Inchley, Hans Olav Fjaerli, Truls Michael Leegaard, Morten Lindbaek, Britt Nakstad
In this prospective, observational study on previously healthy children <18 years, we aimed to study the diagnostic ability of clinical features and inflammatory markers to (i) predict pathologic chest radiography in suspected pneumonia and (ii) differentiate etiology in radiological proven pneumonia. In 394 cases of suspected pneumonia, 265 (67%) had radiographs consistent with pneumonia; 34/265 had proof of bacterial etiology. Of the cases, 86.5% had received pneumococcal conjugate vaccine. In suspected pneumonia, positive chest radiography was significantly associated with increasing C-reactive protein (CRP) values, higher age, and SpO2 ≤92% in multivariate logistic regression, OR 1...
March 9, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28264733/pneumococcal-nasopharyngeal-carriage-among-children-in-brazil-prior-to-the-introduction-of-the-10-valent-conjugate-vaccine-a-culture-and-pcr-based-survey
#7
H G Rodrigues, T C A Pinto, R R Barros, L M Teixeira, F P G Neves
We performed two different approaches (broth enrichment step prior to culture (BEC) and PCR (BEPCR)) for detecting Streptococcus pneumoniae from nasopharyngeal specimens collected from 242 children aged <6 years attending one hospital (n = 140) and one childcare centre (n = 102) in a major urban area in Brazil. These specimens were collected immediately before the introduction of the 10-valent pneumococcal conjugate vaccine (PCV10) and the 13-valent vaccine (PCV13) for routine use in Brazil. Results were compared with previous findings obtained with direct culture (DC) on a selective medium...
March 7, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28262532/the-distribution-and-annual-changes-in-the-streptococcus-pneumoniae-serotypes-in-adult-japanese-patients-with-pneumococcal-pneumonia-from-2011-to-2015
#8
Kentaro Akata, Bin Chang, Kazuhiro Yatera, Toshinori Kawanami, Keisuke Naito, Shingo Noguchi, Takashi Kido, Hiroshi Mukae
BACKGROUND: We previously reported a decrease in the vaccine serotypes of a 7-valent pneumococcal conjugate vaccine (PCV7) and pneumococcal polysaccharide vaccine (PPSV) 23 in adult pneumonia patients after starting PCV7 vaccination in children in Japan between 2011 and 2013, suggesting that the vaccination of children had an indirect effect on adults. PCV7 was replaced by PCV13 in 2013 and was authorized for individuals ≥65 in 2014; vaccination with PPSV23 has been routinely implemented since the same year...
March 2, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28249015/impact-of-ten-valent-pneumococcal-conjugate-vaccine-on-pneumonia-in-finnish-children-in-a-nation-wide-population-based-study
#9
Arto A Palmu, Hanna Rinta-Kokko, Hanna Nohynek, J Pekka Nuorti, Terhi M Kilpi, Jukka Jokinen
BACKGROUND: The ten-valent pneumococcal conjugate vaccine (PCV10) was introduced into the Finnish National Vaccination Program (NVP) in September 2010 using a 2+1 schedule (3, 5, 12 months). We estimated the direct and indirect effects of PCV10 on pneumonia among children to evaluate the public health impact of the vaccine. METHODS: We conducted a nation-wide population-based, observational study comparing rates of pneumonia in children before and after the NVP introduction...
2017: PloS One
https://www.readbyqxmd.com/read/28205429/-pneumococcal-arthritis-in-paediatric-population
#10
G Barbeito-Castiñeiras, M Guinda-Giménez, O Cores-Calvo, M Hernández-Blanco, F Pardo-Sánchez
OBJECTIVE: Cases of septic arthritis in paediatric population by Streptococcus pneumoniae in the Health Area of Santiago de Compostela (Spain) were reviewed. METHODS: A retrospective study from January 2005 to March 2014 was conducted for all S. pneumoniae isolates obtained from joint fluids in children. RESULTS: From the 7,416 joint fluids received in the Microbiology Department, 77 belonged to paediatric patients, and of these, only 8 had positive culture...
February 16, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28199482/pneumococcal-pneumonia-requiring-hospitalization-in-u-s-children-in-the-13-valent-pneumococcal-conjugate-vaccine-era
#11
Liset Olarte, William J Barson, Ryan M Barson, José R Romero, John S Bradley, Tina Q Tan, Laurence B Givner, Jill A Hoffman, Philana Ling Lin, Kristina G Hultén, Edward O Mason, Sheldon L Kaplan
No abstract text is available yet for this article.
February 11, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28198169/-consensus-document-on-pneumococcal-vaccination-in-adults-at-risk-by-age-and-underlying-clinical-conditions-2017-update
#12
F González-Romo, J J Picazo, A García Rojas, M Labrador Horrillo, V Barrios, M C Magro, P Gil Gregorio, R de la Cámara, A Rodríguez, J Barberán, F Botía Martínez, M Linares Rufo, I Jimeno Sanz, J M Portolés, F Sanz Herrero, J Espinosa Arranz, V García-Sánchez, M Galindo Izquierdo, E Mascarós
Invasive pneumococcal disease (IPD) and pneumococcal pneumonia (PP) represent an important health problem among aging adults and those with certain underlying pathologies and some diseases, especially immunosuppressed and some immunocompetent subjects, who are more susceptible to infections and present greater severity and worse evolution. Among the strategies to prevent IPD and PP, vaccination has its place, although vaccination coverage in this group is lower than desirable. Nowadays, there are 2 vaccines available for adults...
February 15, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28196635/childhood-meningitis-in-kuwait-in-the-era-of-post-pneumococcal-conjugate-vaccination-a-multicenter-study
#13
Hussain Sadeq, Entesar H Husain, Amna Alkoot, Suha Atyani, Abdullah Al-Fraij, Abdulrahman Al-Daithan, Talal AlSaleem, Anfal Taher, May Alenezi
This is a retrospective study to evaluate epidemiology and etiologies of childhood meningitis in Kuwait after the routine introduction of the pneumococcal conjugate vaccine. The data was collected from 196 patients in the period of 2010-2014. Aseptic meningitis accounted for 51% of the cases, bacterial meningitis accounted for 29% cases and partially treated meningitis were 20%. Organisms causing bacterial meningitis were: Streptococcus pneumoniae 40.4%, Neisseria meningitidis 17.6%, Haemophilus spp. 12.2%, other gram positive or negative 19...
February 9, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28178935/pneumococcal-carriage-among-hiv-infected-children-in-accra-ghana
#14
Eric S Donkor, Jennifer A Annan, Ebenezer V Badoe, Nicholas T K D Dayie, Appiah-Korang Labi, Hans-Christian Slotved
BACKGROUND: Pneumococcal carriage is the precursor for development of pneumococcal disease, and is also responsible for transmission of the organism from person-to-person. In Africa, little is known about the pneumococcus in relation to people with HIV infection. The aim of the study was to investigate the epidemiology of pneumococcal carriage among HIV infected children visiting a tertiary hospital in Ghana, including the carriage prevalence, risk factors and serotype distribution. METHOD: This was a cross sectional study carried out from February to May, 2015 at the HIV Paediatric Clinic of the Korle-Bu Teaching Hospital in Accra, Ghana...
February 8, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28166256/high-pneumonia-lifetime-ever-incidence-in-beijing-children-compared-with-locations-in-other-countries-and-implications-for-national-pcv-and-hib-vaccination
#15
Fang Qu, Louise B Weschler, Yuexia Sun, Jan Sundell
OBJECTIVES: To compare the proportion of Beijing children who have ever had pneumonia (%Pneumonia) to those in other locations, and to estimate by how much national vaccine coverage with Pneumococcal Conjugate Vaccine (PCV) and Haemophilus Influenzae Type b (Hib) could reduce Beijing %Pneumonia. METHODS: %Pneumonia was obtained for each age group from 1 to 8 years inclusive from 5,876 responses to a cross-sectional questionnaire. Literature searches were conducted for world-wide reports of %Pneumonia...
2017: PloS One
https://www.readbyqxmd.com/read/28161425/the-rise-and-fall-of-pneumococcal-serotypes-carried-in-the-pcv-era
#16
Vanessa T Devine, David W Cleary, Johanna M C Jefferies, Rebecca Anderson, Denise E Morris, Andrew C Tuck, Rebecca A Gladstone, Grace O'Doherty, Priyasharmila Kuruparan, Stephen D Bentley, Saul N Faust, Stuart C Clarke
Streptococcus pneumoniae is a major cause of meningitis, sepsis and pneumonia worldwide. Vaccination using pneumococcal conjugate vaccines (PCV) has therefore been part of the UK's childhood immunisation programme since 2006. Here we describe pneumococcal carriage rates in children under five years of age attending the paediatric department of a large UK hospital in response to vaccine implementation over seven winter seasons from 2006 to 2013. S. pneumoniae (n=696) were isolated from nasopharyngeal swabs (n=2267) collected during seven consecutive winters, October to March, 2006/7 to 2012/13...
February 1, 2017: Vaccine
https://www.readbyqxmd.com/read/28161295/serotype-distribution-and-antimicrobial-susceptibility-of-streptococcus-pneumoniae-strains-isolated-in-japan-after-introduction-of-the-routine-immunization-program
#17
Haruko Miyazaki, Rie Shibuya, Naoko Midorikawa, Bin Chang, Makoto Ohnishi, Tetsuya Matsumoto
Pneumococcal vaccines have reduced the incidences of Streptococcus pneumoniae infections among children and adults, but a relative increase in the prevalence of non-vaccine serotypes has been reported. To follow the changing epidemiology of pneumococcal diseases, capsular serotyping and antimicrobial susceptibility testing was performed on 534 pneumococcal isolates obtained from a hospital in Japan after routine immunization was launched, between October 2014 and May 2016. Serotype distributions and antimicrobial susceptibilities were evaluated among the total patient population, and were compared by age and sample groups and by serotype group, respectively...
February 1, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28152029/clonal-and-serotype-dynamics-of-serogroup-6-isolates-causing-invasive-pneumococcal-disease-in-portugal-1999-2012
#18
Jorge Diamantino-Miranda, Sandra Isabel Aguiar, João André Carriço, José Melo-Cristino, Mário Ramirez
Although serogroup 6 was among the first to be recognized among Streptococcus pneumoniae, several new serotypes were identified since the introduction of pneumococcal conjugate vaccines (PCVs). A decrease of the 6B-2 variant among invasive pneumococcal disease (IPD), but not 6B-1, was noted post conjugate vaccine introduction, underpinned by a decrease of CC273 isolates. Serotype 6C was associated with adult IPD and increased in this age group representing two lineages (CC315 and CC395), while the same lineages expressed other serogroup 6 serotypes in children...
2017: PloS One
https://www.readbyqxmd.com/read/28146590/epidemiology-of-otitis-media-with-spontaneous-perforation-of-the-tympanic-membrane-in-young-children-and-association-with-bacterial-nasopharyngeal-carriage-recurrences-and-pneumococcal-vaccination-in-catalonia-spain-the-prospective-hermes-study
#19
Robert Cilveti, Montserrat Olmo, Josefa Pérez-Jove, Juan-José Picazo, Josep-Lluis Arimany, Emiliano Mora, Tomás M Pérez-Porcuna, Ignacio Aguilar, Aurora Alonso, Francesc Molina, María Del Amo, Cristina Mendez
The Epidemiology of otitis media with spontaneous perforation of the tympanic membrane and associated nasopharyngeal carriage of bacterial otopathogens was analysed in a county in Catalonia (Spain) with pneumococcal conjugate vaccines (PCVs) not included in the immunization programme at study time. A prospective, multicentre study was performed in 10 primary care centres and 2 hospitals (June 2011-June 2014), including all otherwise healthy children ≥2 months ≤8 years with otitis media presenting spontaneous tympanic perforation within 48h...
2017: PloS One
https://www.readbyqxmd.com/read/28143785/correlation-of-higher-antibody-levels-to-pneumococcal-proteins-with-protection-from-pneumococcal-acute-otitis-media-but-not-protection-from-nasopharyngeal-colonization-in-young-children
#20
Q Xu, J R Casey, A Almudevar, M E Pichichero
OBJECTIVES: We previously found that nasopharyngeal (NP) colonization by Streptococcus pneumoniae elicits mucosal antibody responses to three protein vaccine candidates: pneumococcal histidine triad protein D (PhtD), pneumococcal choline-binding protein A (PcpA), and detoxified pneumolysin (PlyD1). Here we sought to determine if mucosal antibody levels to the proteins correlated with protection from acute otitis media (AOM) and NP colonization. METHODS: A total of 228 NP samples were prospectively collected from 100 healthy infants at 6-24 months of age...
January 28, 2017: Clinical Microbiology and Infection
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