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https://www.readbyqxmd.com/read/29676380/fatal-meningococcal-septicemia-without-meningeal-signs-contribution-of-the-peripheral-smear-in-diagnosis-report-of-a-case
#1
Deepti Mutreja, Nikhil Moorchung, S J Manasa, Jeenu Varghese
Acute meningococcemia is characterized by extensive purpurae consisting of both petechiae and ecchymoses. This condition can be rapidly fatal without treatment due to shock and severe consumptive coagulopathy. We report a case of fatal meningococcal septicemia in a military recruit who presented with fever and associated rapidly progressive purpuric rash (purpura fulminans) without any meningeal signs. Evaluation revealed evidence of disseminated intravascular coagulopathy and multiorgan failure. Diplococci were demonstrated in peripheral blood neutrophils and monocytes...
April 2018: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29672552/induction-of-salivary-antibody-levels-in-dutch-adolescents-after-immunization-with-monovalent-meningococcal-serogroup-c-or-quadrivalent-meningococcal-serogroup-a-c-w-and-y-conjugate-vaccine
#2
Mariëtte B van Ravenhorst, Gerco den Hartog, Fiona R M van der Klis, Debbie M van Rooijen, Elisabeth A M Sanders, Guy A M Berbers
BACKGROUND: Meningococcal infection starts with colonisation of the upper respiratory tract. Mucosal immunity is important for protection against acquisition and subsequent meningococcal carriage. In this study, we assessed salivary antibody levels against meningococcal serogroup A (MenA), W (MenW) and Y (MenY) after vaccination with a quadrivalent MenACWY conjugated vaccine. We also compared salivary meningococcal serogroup C (MenC) antibody levels after monovalent MenC and quadrivalent MenACWY conjugated vaccination...
2018: PloS One
https://www.readbyqxmd.com/read/29671067/vaccinations-in-pediatric-kidney-transplant-recipients
#3
REVIEW
Thomas G Fox, Corina Nailescu
Pediatric kidney transplant (KT) candidates should be fully immunized according to routine childhood schedules using age-appropriate guidelines. Unfortunately, vaccination rates in KT candidates remain suboptimal. With the exception of influenza vaccine, vaccination after transplantation should be delayed 3-6 months to maximize immunogenicity. While most vaccinations in the KT recipient are administered by primary care physicians, there are specific schedule alterations in the cases of influenza, hepatitis B, pneumococcal, and meningococcal vaccinations; consequently, these vaccines are usually administered by transplant physicians...
April 18, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29667483/global-epidemiology-of-serogroup-b-meningococcal-disease-and-opportunities-for-prevention-with-novel-recombinant-protein-vaccines
#4
Rodolfo Villena, Marco Aurelio P Safadi, María Teresa Valenzuela, Juan P Torres, Adam Finn, Miguel O'Ryan
Meningococcal disease (MD) is a major cause of meningitis and sepsis worldwide, with a high case fatality rate and frequent sequelae. Neisseria meningitidis serogroups A, B, C, W, X and Y are responsible for most of these life-threatening infections, and its unpredictable epidemiology can cause outbreaks in communities, with significant health, social and economic impact. Currently, serogroup B is the main cause of MD in Europe and North America and one of the most prevalent serogroups in Latin America. Mass vaccination strategies using polysaccharide vaccines have been deployed since the 1970s and the use of conjugate vaccines has controlled endemic and epidemic disease caused by serogroups A, C, W and Y and more recently serogroup B using geographically-specific outer membrane vesicle based vaccines...
April 18, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29659924/evaluation-of-a-booster-dose-of-pentavalent-rotavirus-vaccine-co-administered-with-measles-yellow-fever-and-meningitis-a-vaccines-in-9-month-old-malian-infants
#5
Fadima C Haidara, Milagritos D Tapia, Samba O Sow, Moussa Doumbia, Flanon Coulibaly, Fatoumata Diallo, Awa Traoré, Mamoudou Kodio, Corey L Kelly, Meagan Fitzpatrick, Karen Kotloff, John C Victor, Kathleen Neuzil
Background: Rotavirus vaccines given to infants are safe and efficacious. A booster dose of rotavirus vaccine could extend protection into the second year of life in low resource countries. Methods: We conducted an open-label, individual-randomized trial in Bamako, Mali. We assigned 600 9- to 11-month old infants to measles (MV), yellow fever (YFV), and meningococcal A conjugate vaccines with or without pentavalent rotavirus vaccine (PRV). We assessed non-inferiority of seroconversion and seroresponse rates (<10% difference) to MV, YFV and MenAV...
April 12, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29644339/molecular-characterization-of-two-sub-family-specific-monoclonal-antibodies-to-meningococcal-factor-h-binding-protein
#6
C Lo Passo, L Zippilli, A Angiolillo, I Costa, I Pernice, R Galbo, F Felici, P T Beernink
Factor H binding protein (FHbp) is a component of two licensed vaccines for prevention of sepsis and meningitis caused by serogroup B meningococci. FHbp binds human Factor H (FH), which contributes to evasion of host immunity and FHbp sequence variants can be classified into two sub-families. Antibodies against FHbp elicit complement-mediated killing and can inhibit recruitment of FH to the bacterial surface. We report epitope mapping studies of two murine IgG mAbs, designated JAR 31 and JAR 36, isolated from a mouse immunized with FHbp in sub-family A, which is present in ∼30-40% of invasive isolates...
April 2018: Heliyon
https://www.readbyqxmd.com/read/29623748/neisseria-meningitidis-disease-associated-clones-in-amazonas-state-brazil
#7
Luciete A Silva, Beatriz Coronato, Jessica Schlackman, Jane W Marsh, Chinelo Ezeonwuka, Andréia C L Fernandes, Victor C Souza, Lirna S da Silva, Elaine F Q de Amorim, Felipe G Naveca, Bernardino C de Albuquerque, Alcirene Amaral, Ana L S Souza, Filipe A Carvalho-Costa, Mustapha M Mustapha, Lee H Harrison, David E Barroso
BACKGROUND: The aim of this study is to describe the molecular epidemiology of Neisseria meningitidis invasive disease before the introduction of serogroup C conjugate vaccine in Amazonas State in 2010. METHODS: Meningococcal disease reported cases were investigated in Amazonas State during the period 2000-2010. N. meningitidis isolates (n = 196) recovered from patients were genotyped by multilocus sequence typing (MLST) and sequencing of porB, porA, fetA, fHbp and penA...
April 6, 2018: Infectious Diseases
https://www.readbyqxmd.com/read/29622828/uncommon-mixed-outbreak-of-pneumococcal-and-meningococcal-meningitis-in-jirapa-district-upper-west-region-ghana-2016
#8
Nuoh R Domo, Culbert Nuolabong, Kofi M Nyarko, Ernest Kenu, Phoebe Balagumyetime, Godfrey Konnyebal, Charles L Noora, Kofi D Ameme, Fred Wurapa, Edwin Afari
Objective: The Jirapa District in Ghana falls within the African meningitis belt where over 500 million people are at risk of epidemic meningitis. The district suffered an outbreak of Neisseria meningitides, W (NMW) in 2012 and a mixed outbreak of Streptococcus pneumonia and NMW in early 2016. We investigated the outbreak to identify the source, causative agents, and magnitude and assess health facility preparedness and propose control measures. Design and Setting: We conducted a descriptive study in all sub-districts of Jirapa, between 28th February to 10th April 2016...
December 2017: Ghana Medical Journal
https://www.readbyqxmd.com/read/29620722/immunogenicity-and-reactogenicity-of-dtpa-hbv-ipv-hib-and-phid-cv-when-co-administered-with-menacwy-tt-in-infants-results-of-an-open-randomized-trial
#9
Jose Manuel Merino Arribas, Alfonso Carmona Martínez, Michael Horn, Xavier Maria Perez Porcuna, Maria Del Carmen Otero Reigada, Josep Marès Bermúdez, Fernando Centeno Malfaz, Mariano Miranda, Maria Mendez, Miguel Angel Garcia Cabezas, Wittermann Christoph, Gerhard Bleckmann, Thomas Fischbach, Devayani Kolhe, Marie Van der Wielen, Yaela Baine
BACKGROUND: This study evaluated the immunogenicity and reactogenicity of a combined diphtheria-tetanus-acellular pertussis-hepatitis B-inactivated poliovirus virus-Haemophilus influenzae type b vaccine (DTPa-HBV-IPV/Hib) and a 10-valent pneumococcal conjugate vaccine (PHiD-CV) co-administered with a quadrivalent meningococcal conjugate vaccine (MenACWY-TT) in infants/toddlers. METHODS: In this open, controlled, phase III study (NCT01144663), 2095 healthy infants were randomised (1:1:1:1) into 4 groups to receive MenACWY-TT at 2, 3, 4 and 12 months of age, or MenACWY-TT, MenC-CRM197 or MenC-TT at 2, 4 and 12 months of age...
March 31, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29619485/how-often-do-children-receive-their-vaccinations-late-and-why
#10
Maysaa A Banjari, Ahmed A Alamri, Ahmad Y Algarni, Meral H Abualjadayel, Yahya S Alshardi, Turki S Alahmadi
OBJECTIVES: To assess vaccination timeliness, risk factors associated with delays and the reasons for delayed vaccinations among children below the age of 3 years in Jeddah, Kingdom of Saudi Arabia. METHODS: This is a cross-sectional study conducted in Jeddah, Saudi Arabia during the period of May 2016 to August 2017. Data were obtained from parents of children under the age of 3 years using a structured questionnaire comprised of questions about sociodemographics, physical well-being of the child and the reasons that are used to justify delayed vaccinations...
April 2018: Saudi Medical Journal
https://www.readbyqxmd.com/read/29616896/distinct-evolutionary-patterns-of-neisseria-meningitidis-serogroup-b-disease-outbreaks-at-two-universities-in-the-usa
#11
Li Hao, Matthew T G Holden, Xin Wang, Lubomira Andrew, Sabine Wellnitz, Fang Hu, Melissa Whaley, Scott Sammons, Kristen Knipe, Mike Frace, Lucy A McNamara, Paul Liberator, Annaliesa S Anderson
Neisseria meningitidis serogroup B (MnB) was responsible for two independent meningococcal disease outbreaks at universities in the USA during 2013. The first at University A in New Jersey included nine confirmed cases reported between March 2013 and March 2014. The second outbreak occurred at University B in California, with four confirmed cases during November 2013. The public health response to these outbreaks included the approval and deployment of a serogroup B meningococcal vaccine that was not yet licensed in the USA...
April 4, 2018: Microbial Genomics
https://www.readbyqxmd.com/read/29608658/unusual-initial-abdominal-presentations-of-invasive-meningococcal-disease
#12
Tamazoust Guiddir, Marion Gros, Eva Hong, Aude Terrade, Mélanie Denizon, Ala-Eddine Deghmane, Muhamed-Kheir Taha
Background: Invasive meningococcal disease (IMD) is recognized as septicemia and/or meningitis. However, early symptoms may vary and are frequently nonspecific. Early abdominal presentations have been increasingly described. We aimed to explore a large cohort of patients with initial abdominal presentations for association with particular meningococcal strains. Methods: Confirmed IMD cases in France between 1991-2016 were screened for the presence within the 24 hours before diagnosis of at least one of the following criteria (1) abdominal pain, (2) gastro-enteritis with diarrhea and vomiting, (3) diarrhea only...
March 28, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29606119/invasive-meningococcal-disease-due-to-a-non-capsulated-neisseria-meningitidis-strain-in-a-patient-with-igg4-related-disease
#13
Shun Kurose, Kyoko Onozawa, Hiroshi Yoshikawa, Kenichiro Yaita, Hideyuki Takahashi, Nobuyuki Shimono, Yoji Nagasaki
BACKGROUND: Invasive Meningococcal Disease (IMD) is a rare and critical disease in Japan. Most of these cases are caused by capsulated Neisseria meningitidis strains. Non-capsulated (non-typable) strains are considered relatively low-pathogenic and can colonize in the nasopharynx of healthy children and young adults. As far as could be ascertained, only twelve IMD cases due to non-capsulated strains have been reported in the literature. No clear risk factors could be identified in a literature review (unknown or immunocompetent, seven cases; C6 deficiency, three cases)...
April 2, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29601256/four-year-antibody-persistence-and-response-to-a-booster-dose-of-a-pentavalent-menabcwy-vaccine-administered-to-healthy-adolescents-and-young-adults
#14
Xavier Sáez-Llorens, Johnny Beltran-Rodriguez, Jose M Novoa Pizarro, Ilhem Mensi, Pavitra Keshavan, Daniela Toneatto
This open-label, multicenter extension study (NCT01210885) assessed persistence of Neisseria meningitidis serogroups ABCWY antibodies 4 years after primary vaccination. Adolescents and young adults who previously received 2 doses of MenABCWY+OMV (Group III), 1 dose of MenACWY-CRM (Group VI), or newly-recruited vaccine-naïve participants (Group VII) were administered 1 (Group III) or 2 doses (Groups VI and VII) of MenABCWY+OMV, 1 month apart. Immunogenicity was assessed by human serum bactericidal assay (hSBA)...
March 30, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29599819/the-new-who-decision-making-framework-on-vaccine-use-in-acute-humanitarian-emergencies-msf-experience-in-minkaman-south-sudan
#15
Monica Rull, Sophie Masson, Nicolas Peyraud, Marco Simonelli, Alexandre Ventura, Claire Dorion, Francisco J Luquero, Florent Uzzeni, Iza Cigleneki
Introduction: The main causes of death during population movements can be prevented by addressing the population's basic needs. In 2013, the World Health Organization (WHO) issued a framework for decision making to help prioritize vaccinations in acute humanitarian emergencies. This article describes MSF's experience of applying this framework in addition to addressing key population needs in a displacement setting in Minkaman, South Sudan. Case description: Military clashes broke out in South Sudan in December 2013...
2018: Conflict and Health
https://www.readbyqxmd.com/read/29596403/two-cases-of-meningococcal-disease-in-one-family-separated-by-an-extended-period-colorado-2015-2016
#16
Emily Spence Davizon, Heidi M Soeters, Lisa Miller, Meghan Barnes
On April 26, 2015, a case of meningococcal disease in a woman aged 75 years was reported to the Colorado Department of Public Health and Environment (CDPHE). As part of routine public health investigation and control activities, all seven family contacts of the patient were advised to receive appropriate postexposure prophylaxis (PEP) to eradicate nasopharyngeal carriage of meningococci and prevent secondary disease (1), although it is not known whether the family contacts complied with PEP recommendations...
March 30, 2018: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29594087/loop-mediated-isothermal-amplification-methods-for-diagnosis-of-bacterial-meningitis
#17
REVIEW
Mitsuko Seki, Paul E Kilgore, Eun Jin Kim, Makoto Ohnishi, Satoshi Hayakawa, Dong Wook Kim
The rapid, accurate, and efficient identification of an infectious disease is critical to ensure timely clinical treatment and prevention in public health settings. In 2015, meningitis caused by Streptococcus pneumoniae, Haemophilus influenzae , and Neisseria meningitidis was responsible for 379,200 (range: 322,700-444,700) deaths. Clinical features alone cannot determine whether bacterial meningitis is present; an analysis of cerebrospinal fluid (CSF) is essential. Loop-mediated isothermal amplification (LAMP) is a nucleic acid amplification method offering an alternative to polymerase chain reaction (PCR)...
2018: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29593277/prevalence-and-serogroup-changes-of-neisseria-meningitidis-in-south-korea-2010-2016
#18
Hyukmin Lee, Younghee Seo, Kyung-Hyo Kim, Kyungwon Lee, Kang-Won Choe
Determination of the major serogroups is an important step for establishing a vaccine programme and management strategy targeting Neisseria meningitidis. From April 2010 to November 2016, a total of 25 N. meningitidis isolates were collected in South Korea, in collaboration with the Korean Society of Clinical Microbiology. Among isolates, 19 isolates were recovered from blood and/or cerebrospinal fluid (CSF) in 46 patients who suffered from invasive meningococcal disease (IMD), and six isolates were found in sputum or the throat...
March 28, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29584565/neisseria-meningitidis-serogroup-b-carriage-by-adolescents-and-young-adults-living-in-milan-italy-prevalence-of-strains-potentially-covered-by-thepresently-available-meningococcal-b-vaccines
#19
Leonardo Terranova, Nicola Principi, Sonia Bianchini, Giada Di Pietro, Giulia Umbrello, Barbara Madini, Susanna Esposito
Recently, two vaccines against meningococcal serogroup B (MenB) have been developed. They are prepared according to the reverse vaccinology approach and contain 4 (4CMenB) and 2 (MenB-FHbp) cross-reactive surface proteins. In Italy 4CMenB vaccine has been included in the official vaccination schedule only recently and recommended only for infants and toddlers, whereas MenB-FHbp is not licensed. In order to collect information about the present carriage of Neisseria meningitidis serogroup B (MenB) in Italian adolescents and to evaluate the potential protection offered by the presently available MenB vaccines, 2,560 otherwise healthy, high school students aged 14-21 years (907 males, 35...
March 27, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29579105/neisseria-heparin-binding-antigen-is-targeted-by-the-human-alternative-pathway-c3-convertase
#20
Martina Di Fede, Massimiliano Biagini, Elena Cartocci, Carlo Parillo, Alessandra Greco, Manuele Martinelli, Sara Marchi, Alfredo Pezzicoli, Isabel Delany, Silvia Rossi Paccani
Neisserial Heparin Binding Antigen (NHBA) is a surface-exposed lipoprotein specific for Neisseria and constitutes one of the three main protein antigens of the Bexsero vaccine. Meningococcal and human proteases, cleave NHBA protein upstream or downstream of a conserved Arg-rich region, respectively. The cleavage results in the release of the C-terminal portion of the protein. The C-terminal fragment originating from the processing of meningococcal proteases, referred to as C2 fragment, exerts a toxic effect on endothelial cells altering the endothelial permeability...
2018: PloS One
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