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Katz MA, Rojas Castro MY, Seyidov N, Herdman MT, Mehdiyev S, McKnight CJ, Guseinova A, Cojocaru R, Doran J, Mühlemann B, Drosten C, Suleymanova J, Pebody R, Kissling E, Hagverdiyev G. The effectiveness of primary series CoronaVac vaccine in preventing COVID-19 illness: A prospective cohort study among healthcare workers in Azerbaijan, May-November 2021. Influenza Other Respir Viruses 2023; 17:e13147. [PMID: 37799775 PMCID: PMC10548024 DOI: 10.1111/irv.13147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 04/29/2023] [Accepted: 05/03/2023] [Indexed: 10/07/2023] Open
Abstract
Background Healthcare workers (HCWs) have suffered considerable morbidity and mortality during the COVID-19 pandemic. Few studies have evaluated the CoronaVac vaccine effectiveness (VE), particularly in Eastern Europe, where the vaccine has been widely used. Methods We conducted a prospective cohort study among HCWs in seven hospitals in Baku, Azerbaijan between May 17 and November 30, 2021, to evaluate primary series (two-dose) CoronaVac VE against symptomatic SARS-CoV-2 infection. Participants completed weekly symptom questionnaires, provided nasopharyngeal swabs for SARS-CoV-2 RT-PCR testing when symptomatic, and provided serology samples at enrollment that were tested for anti-spike and anti-nucleocapsid antibodies. We estimated VE as (1 - hazard ratio)*100 using a Cox proportional hazards model with vaccination status as a time-varying exposure, adjusting for hospital and previous SARS-CoV-2 infection status. Results We enrolled 1582 HCWs. At enrollment, 1040 (66%) had received two doses of CoronaVac; 421 (27%) were unvaccinated. During the study period, 72 PCR-positive SARS-CoV-2 infections occurred; 36/39 (92%) sequenced samples were classified as Delta variants. Primary series VE against COVID-19 illness was 29% (95% CI: -51%; 67%) for the entire analysis period. For the Delta-only period (July 1-November 30, 2021), primary series VE was 19% (95% CI: -81%; 64%). For the entire analysis period, primary series VE was 39% (95% CI: -40%; 73%) for HCWs vaccinated within 14-149 days and 19% (95% CI: -81%; 63%) for those vaccinated ≥150 days. Conclusions During a period in Azerbaijan characterized by mostly Delta circulation, VE point estimates suggested that primary series CoronaVac protected nearly 1 in 3 HCWs against COVID-19, but 95% confidence intervals were wide, with lower bounds that crossed zero, reflecting the limited precision of our VE estimates. Our findings underscore the need to consider booster doses for individuals who have received the primary series of CoronaVac.
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Affiliation(s)
- Mark A. Katz
- World Health Organization Regional Office for EuropeCopenhagenDenmark
| | | | - Nabil Seyidov
- Public Health and Reforms CenterMinistry of HealthBakuAzerbaijan
| | - M. Trent Herdman
- UK Field Epidemiology Training ProgrammeUK Health Security AgencyLondonUK
| | - Samir Mehdiyev
- Public Health and Reforms CenterMinistry of HealthBakuAzerbaijan
| | - C. Jason McKnight
- World Health Organization Regional Office for EuropeCopenhagenDenmark
| | - Alina Guseinova
- World Health Organization Regional Office for EuropeCopenhagenDenmark
| | - Radu Cojocaru
- World Health Organization Regional Office for EuropeCopenhagenDenmark
| | - Jason Doran
- UK Field Epidemiology Training ProgrammeUK Health Security AgencyLondonUK
| | - Barbara Mühlemann
- Institute of Virology, Charité–Universitätsmedizin Berlin, corporate member of Freie Universität BerlinHumboldt‐ Universität zu Berlin, and Berlin Institute of HealthBerlinGermany
- German Centre for Infection Research (DZIF), partner site CharitéBerlinGermany
| | - Christian Drosten
- Institute of Virology, Charité–Universitätsmedizin Berlin, corporate member of Freie Universität BerlinHumboldt‐ Universität zu Berlin, and Berlin Institute of HealthBerlinGermany
- German Centre for Infection Research (DZIF), partner site CharitéBerlinGermany
| | | | - Richard Pebody
- World Health Organization Regional Office for EuropeCopenhagenDenmark
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Munk P, Brinch C, Møller FD, Petersen TN, Hendriksen RS, Seyfarth AM, Kjeldgaard JS, Svendsen CA, van Bunnik B, Berglund F, Larsson DGJ, Koopmans M, Woolhouse M, Aarestrup FM, Gibb K, Coventry K, Collignon P, Cassar S, Allerberger F, Begum A, Hossain ZZ, Worrell C, Vandenberg O, Pieters I, Victorien DT, Gutierrez ADS, Soria F, Grujić VR, Mazalica N, Rahube TO, Tagliati CA, Rodrigues D, Oliveira G, de Souza LCR, Ivanov I, Juste BI, Oumar T, Sopheak T, Vuthy Y, Ngandjio A, Nzouankeu A, Olivier ZAAJ, Yost CK, Kumar P, Brar SK, Tabo DA, Adell AD, Paredes-Osses E, Martinez MC, Cuadros-Orellana S, Ke C, Zheng H, Baisheng L, Lau LT, Chung T, Jiao X, Yu Y, JiaYong Z, Morales JFB, Valencia MF, Donado-Godoy P, Coulibaly KJ, Hrenovic J, Jergović M, Karpíšková R, Deogratias ZN, Elsborg B, Hansen LT, Jensen PE, Abouelnaga M, Salem MF, Koolmeister M, Legesse M, Eguale T, Heikinheimo A, Le Guyader S, Schaeffer J, Villacis JE, Sanneh B, Malania L, Nitsche A, Brinkmann A, Schubert S, Hesse S, Berendonk TU, Saba CKS, Mohammed J, Feglo PK, Banu RA, Kotzamanidis C, Lytras E, Lickes SA, Kocsis B, Solymosi N, Thorsteinsdottir TR, Hatha AM, Ballal M, Bangera SR, Fani F, Alebouyeh M, Morris D, O’Connor L, Cormican M, Moran-Gilad J, Battisti A, Diaconu EL, Corno G, Di Cesare A, Alba P, Hisatsune J, Yu L, Kuroda M, Sugai M, Kayama S, Shakenova Z, Kiiyukia C, Ng’eno E, Raka L, Jamil K, Fakhraldeen SA, Alaati T, Bērziņš A, Avsejenko J, Kokina K, Streikisa M, Bartkevics V, Matar GM, Daoud Z, Pereckienė A, Butrimaite-Ambrozeviciene C, Penny C, Bastaraud A, Rasolofoarison T, Collard JM, Samison LH, Andrianarivelo MR, Banda DL, Amin A, Rajandas H, Parimannan S, Spiteri D, Haber MV, Santchurn SJ, Vujacic A, Djurovic D, Bouchrif B, Karraouan B, Vubil DC, Pal P, Schmitt H, van Passel M, Jeunen GJ, Gemmell N, Chambers ST, Mendoza FP, Huete-Pιrez J, Vilchez S, Ahmed AO, Adisa IR, Odetokun IA, Fashae K, Sørgaard AM, Wester AL, Ryrfors P, Holmstad R, Mohsin M, Hasan R, Shakoor S, Gustafson NW, Schill CH, Rojas MLZ, Velasquez JE, Magtibay BB, Catangcatang K, Sibulo R, Yauce FC, Wasyl D, Manaia C, Rocha J, Martins J, Álvaro P, Di Yoong Wen D, Shin H, Hur HG, Yoon S, Bosevska G, Kochubovski M, Cojocaru R, Burduniuc O, Hong PY, Perry MR, Gassama A, Radosavljevic V, Tay MYF, Zuniga-Montanez R, Wuertz S, Gavačová D, Pastuchová K, Truska P, Trkov M, Keddy K, Esterhuyse K, Song MJ, Quintela-Baluja M, Lopez MG, Cerdà-Cuéllar M, Perera RRDP, Bandara NKBKRGW, Premasiri HI, Pathirage S, Charlemagne K, Rutgersson C, Norrgren L, Örn S, Boss R, Van der Heijden T, Hong YP, Kumburu HH, Mdegela RH, Hounmanou YMG, Chonsin K, Suthienkul O, Thamlikitkul V, de Roda Husman AM, Bidjada B, Njanpop-Lafourcade BM, Nikiema-Pessinaba SC, Levent B, Kurekci C, Ejobi F, Kalule JB, Thomsen J, Obaidi O, Jassim LM, Moore A, Leonard A, Graham DW, Bunce JT, Zhang L, Gaze WH, Lefor B, Capone D, Sozzi E, Brown J, Meschke JS, Sobsey MD, Davis M, Beck NK, Sukapanpatharam P, Truong P, Lilienthal R, Kang S, Wittum TE, Rigamonti N, Baklayan P, Van CD, Tran DMN, Do Phuc N, Kwenda G, Larsson DGJ, Koopmans M, Woolhouse M, Aarestrup FM. Author Correction: Genomic analysis of sewage from 101 countries reveals global landscape of antimicrobial resistance. Nat Commun 2023; 14:178. [PMID: 36635285 PMCID: PMC9837105 DOI: 10.1038/s41467-023-35890-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Affiliation(s)
- Patrick Munk
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Christian Brinch
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Frederik Duus Møller
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Thomas N. Petersen
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Rene S. Hendriksen
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Anne Mette Seyfarth
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Jette S. Kjeldgaard
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Christina Aaby Svendsen
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Bram van Bunnik
- grid.4305.20000 0004 1936 7988Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh, UK
| | - Fanny Berglund
- grid.8761.80000 0000 9919 9582Centre for Antibiotic Resistance Research (CARe), University of Gothenburg, Gothenburg, Sweden
| | | | - D. G. Joakim Larsson
- grid.8761.80000 0000 9919 9582Centre for Antibiotic Resistance Research (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Marion Koopmans
- grid.5645.2000000040459992XDepartment of Viroscience, Erasmus MC, Rotterdam, The Netherlands
| | - Mark Woolhouse
- grid.4305.20000 0004 1936 7988Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh, UK
| | - Frank M. Aarestrup
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
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Oprea M, Njamkepo E, Cristea D, Zhukova A, Clark CG, Kravetz AN, Monakhova E, Ciontea AS, Cojocaru R, Rauzier J, Damian M, Gascuel O, Quilici ML, Weill FX. The seventh pandemic of cholera in Europe revisited by microbial genomics. Nat Commun 2020; 11:5347. [PMID: 33093464 PMCID: PMC7582136 DOI: 10.1038/s41467-020-19185-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 09/30/2020] [Indexed: 01/09/2023] Open
Abstract
In 1970, the seventh pandemic of cholera (7 P) reached both Africa and Europe. Between 1970 and 2011, several European countries reported cholera outbreaks of a few to more than 2,000 cases. We report here a whole-genome analysis of 1,324 7 P V. cholerae El Tor (7 PET) isolates, including 172 from autochthonous sporadic or outbreak cholera cases occurring between 1970 and 2011 in Europe, providing insight into the spatial and temporal spread of this pathogen across Europe. In this work, we show that the 7 PET lineage was introduced at least eight times into two main regions: Eastern and Southern Europe. Greater recurrence of the disease was observed in Eastern Europe, where it persisted until 2011. It was introduced into this region from Southern Asia, often circulating regionally in the countries bordering the Black Sea, and in the Middle East before reaching Eastern Africa on several occasions. In Southern Europe, the disease was mostly seen in individual countries during the 1970s and was imported from North and West Africa, except in 1994, when cholera was imported into Albania and Italy from the Black Sea region. These results shed light on the geographic course of cholera during the seventh pandemic and highlight the role of humans in its global dissemination.
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Affiliation(s)
- Mihaela Oprea
- Cantacuzino National Medico-Military Institute for Research and Development, 050096, Bucharest, Romania
| | - Elisabeth Njamkepo
- Institut Pasteur, Unité des Bactéries Pathogènes Entériques, Paris, 75015, France
| | - Daniela Cristea
- Cantacuzino National Medico-Military Institute for Research and Development, 050096, Bucharest, Romania
| | - Anna Zhukova
- Unité Bioinformatique Evolutive, USR3756 (C3BI/DBC), Institut Pasteur & CNRS, Paris, France
- Hub Bioinformatique et Biostatistique, USR3756 (C3BI/DBC), Institut Pasteur, Paris, France
| | - Clifford G Clark
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MN, Canada
| | - Anatoly N Kravetz
- Kiev Research Institute of Epidemiology and Infectious Diseases, Protasiv Yar Uzuiz, Ukraine
| | - Elena Monakhova
- Rostov-on-Don Research Anti-Plague Institute, Rostov-on-Don, Russia, 344002
| | - Adriana S Ciontea
- Cantacuzino National Medico-Military Institute for Research and Development, 050096, Bucharest, Romania
| | - Radu Cojocaru
- National Centre for Public Health, Chisinau, Republic of Moldova
| | - Jean Rauzier
- Institut Pasteur, Unité des Bactéries Pathogènes Entériques, Paris, 75015, France
| | - Maria Damian
- Cantacuzino National Medico-Military Institute for Research and Development, 050096, Bucharest, Romania
| | - Olivier Gascuel
- Unité Bioinformatique Evolutive, USR3756 (C3BI/DBC), Institut Pasteur & CNRS, Paris, France
| | - Marie-Laure Quilici
- Institut Pasteur, Unité des Bactéries Pathogènes Entériques, Paris, 75015, France
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Arthur S, Mottok A, Cojocaru R, Jiang A, Grande B, Alcaide M, Rushton C, Ennishi D, Kumar Lat P, Davidson J, Bushell K, Audas T, Unrau P, Sen D, Gascoyne R, Marra M, Connors J, Morin G, Scott D, Steidl C, Morin R. FUNCTIONAL CHARACTERIZATION OF NFKBIZ
3′ UTR MUTATIONS IN DIFFUSE LARGE B-CELL LYMPHOMA. Hematol Oncol 2019. [DOI: 10.1002/hon.43_2629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- S.E. Arthur
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
| | - A. Mottok
- Centre for Lymphoid Cancer; BC Cancer; Vancouver Canada
| | - R. Cojocaru
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
| | - A. Jiang
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
| | - B.M. Grande
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
| | - M. Alcaide
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
| | - C. Rushton
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
| | - D. Ennishi
- Centre for Lymphoid Cancer; BC Cancer; Vancouver Canada
| | - P. Kumar Lat
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
| | - J. Davidson
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
| | - K.R. Bushell
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
| | - T. Audas
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
| | - P. Unrau
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
| | - D. Sen
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
| | - R.D. Gascoyne
- Centre for Lymphoid Cancer; BC Cancer; Vancouver Canada
| | - M.A. Marra
- Genome Sciences Centre; BC Cancer; Vancouver Canada
| | - J.M. Connors
- Centre for Lymphoid Cancer; BC Cancer; Vancouver Canada
| | - G.B. Morin
- Genome Sciences Centre; BC Cancer; Vancouver Canada
| | - D.W. Scott
- Centre for Lymphoid Cancer; BC Cancer; Vancouver Canada
| | - C. Steidl
- Centre for Lymphoid Cancer; BC Cancer; Vancouver Canada
| | - R.D. Morin
- Molecular Biology & Biochemistry; Simon Fraser University; Burnaby Canada
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Gheorghita S, Birca L, Donos A, Wasley A, Birca I, Cojocaru R, Melnick A, Ciobanu S, Mosina L, Cortese MM, Parashar UD, Lopman B. Impact of Rotavirus Vaccine Introduction and Vaccine Effectiveness in the Republic of Moldova. Clin Infect Dis 2016; 62 Suppl 2:S140-6. [PMID: 27059348 DOI: 10.1093/cid/civ1209] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND The Republic of Moldova was the first low- to middle-income country in the World Health Organization European Region to introduce rotavirus vaccine (July 2012). We aimed to assess the impact of the rotavirus vaccine program and estimate vaccine effectiveness (VE). METHODS Surveillance for rotavirus gastroenteritis was conducted in 2 hospitals in the capital city of Chisinau starting in September 2009. Monthly rotavirus admissions by age were examined before and after introduction of rotavirus vaccination using interrupted time-series analyses. We performed a case-control study of VE by comparing rotavirus case patients with test-negative controls. RESULTS Coverage with at least 1 dose of vaccine increased from 35% in year 1 to 55% in year 2 for children <1 year of age. The percentage of hospital admissions positive for rotavirus fell from 45% in the prevaccine period to 25% (rate reduction, 36%; 95% confidence interval [CI], 26%-44%) and 14% (rate reduction, 67%; 95% CI, 48%-88%) in the first and second years after vaccine introduction, respectively, among children aged <5 years. Reductions were most pronounced among those aged <1 year. Significant reductions among cohorts too old to be vaccinated suggest indirect benefits. Two-dose VE was 79% (95% CI, 62%-88%) against rotavirus hospitalization and 84% (95% CI, 64%-93%) against moderate to severe rotavirus. CONCLUSIONS These results consistently point to profound direct and herd immunity impacts of the rotavirus vaccine program in young children in the Republic of Moldova. Vaccine coverage was modest in these early years following introduction, so there remains potential for further disease reductions.
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Affiliation(s)
| | - Ludmila Birca
- Chisinau City Infectious Diseases Hospital for Children
| | - Ala Donos
- Chisinau Municipal Hospital for Children, Republic of Moldova
| | - Annemarie Wasley
- Vaccine-Preventable Diseases and Immunization, World Health Organization Regional Office for Europe, Copenhagen, Denmark
| | | | | | | | - Silviu Ciobanu
- World Health Organization Regional Office for Moldova, Chisinau
| | - Liudmila Mosina
- Vaccine-Preventable Diseases and Immunization, World Health Organization Regional Office for Europe, Copenhagen, Denmark
| | - Margaret M Cortese
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Umesh D Parashar
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Ben Lopman
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
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6
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Lafond KE, Nair H, Rasooly MH, Valente F, Booy R, Rahman M, Kitsutani P, Yu H, Guzman G, Coulibaly D, Armero J, Jima D, Howie SRC, Ampofo W, Mena R, Chadha M, Sampurno OD, Emukule GO, Nurmatov Z, Corwin A, Heraud JM, Noyola DE, Cojocaru R, Nymadawa P, Barakat A, Adedeji A, von Horoch M, Olveda R, Nyatanyi T, Venter M, Mmbaga V, Chittaganpitch M, Nguyen TH, Theo A, Whaley M, Azziz-Baumgartner E, Bresee J, Campbell H, Widdowson MA. Global Role and Burden of Influenza in Pediatric Respiratory Hospitalizations, 1982-2012: A Systematic Analysis. PLoS Med 2016; 13:e1001977. [PMID: 27011229 PMCID: PMC4807087 DOI: 10.1371/journal.pmed.1001977] [Citation(s) in RCA: 249] [Impact Index Per Article: 31.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Accepted: 02/05/2016] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The global burden of pediatric severe respiratory illness is substantial, and influenza viruses contribute to this burden. Systematic surveillance and testing for influenza among hospitalized children has expanded globally over the past decade. However, only a fraction of the data has been used to estimate influenza burden. In this analysis, we use surveillance data to provide an estimate of influenza-associated hospitalizations among children worldwide. METHODS AND FINDINGS We aggregated data from a systematic review (n = 108) and surveillance platforms (n = 37) to calculate a pooled estimate of the proportion of samples collected from children hospitalized with respiratory illnesses and positive for influenza by age group (<6 mo, <1 y, <2 y, <5 y, 5-17 y, and <18 y). We applied this proportion to global estimates of acute lower respiratory infection hospitalizations among children aged <1 y and <5 y, to obtain the number and per capita rate of influenza-associated hospitalizations by geographic region and socio-economic status. Influenza was associated with 10% (95% CI 8%-11%) of respiratory hospitalizations in children <18 y worldwide, ranging from 5% (95% CI 3%-7%) among children <6 mo to 16% (95% CI 14%-20%) among children 5-17 y. On average, we estimated that influenza results in approximately 374,000 (95% CI 264,000 to 539,000) hospitalizations in children <1 y-of which 228,000 (95% CI 150,000 to 344,000) occur in children <6 mo-and 870,000 (95% CI 610,000 to 1,237,000) hospitalizations in children <5 y annually. Influenza-associated hospitalization rates were more than three times higher in developing countries than in industrialized countries (150/100,000 children/year versus 48/100,000). However, differences in hospitalization practices between settings are an important limitation in interpreting these findings. CONCLUSIONS Influenza is an important contributor to respiratory hospitalizations among young children worldwide. Increasing influenza vaccination coverage among young children and pregnant women could reduce this burden and protect infants <6 mo.
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Affiliation(s)
- Kathryn E. Lafond
- Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
- School of Health Sciences, University of Tampere, Tampere, Finland
- * E-mail: (KEL); (MAW)
| | - Harish Nair
- Centre for Global Health Research, University of Edinburgh, Edinburgh, United Kingdom
- Public Health Foundation of India, New Delhi, India
| | - Mohammad Hafiz Rasooly
- Afghanistan National Public Health Institute, Ministry of Public Health, Kabul, Afghanistan
| | - Fátima Valente
- National Directorate of Public Health, Ministry of Health, Luanda, Angola
| | - Robert Booy
- National Centre for Immunisation Research and Surveillance, The Children’s Hospital at Westmead, Westmead, New South Wales, Australia
| | - Mahmudur Rahman
- Institute of Epidemiology, Disease Control and Research, Dhaka, Bangladesh
| | - Paul Kitsutani
- Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Hongjie Yu
- Division of Infectious Disease, Key Laboratory of Surveillance and Early-warning on Infectious Disease, Chinese Centre for Disease Control and Prevention, Beijing, China
| | | | | | - Julio Armero
- Ministerio de Salud de El Salvador, San Salvador, El Salvador
| | - Daddi Jima
- Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Stephen R. C. Howie
- Medical Research Council Unit, Fajara, The Gambia
- Department of Paediatrics, University of Auckland, Auckland, New Zealand
- Centre for International Health, University of Otago, Dunedin, New Zealand
| | - William Ampofo
- Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana
| | - Ricardo Mena
- Ministerio de Salud Publica y Asistencia Social, Guatemala City, Guatemala
| | | | - Ondri Dwi Sampurno
- National Institute of Health Research and Development, Jakarta, Indonesia
| | | | | | - Andrew Corwin
- Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Jean Michel Heraud
- National Influenza Centre, Virology Unit, Institut Pasteur of Madagascar, Antananarivo, Madagascar
| | - Daniel E. Noyola
- Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico
| | - Radu Cojocaru
- National Centre for Public Health, Chisinau, Republic of Moldova
| | | | - Amal Barakat
- Institut National d’Hygiène, Ministère de la Santé, Rabat, Morocco
| | | | - Marta von Horoch
- Ministerio de Salud Publica y Bienestar Social, Asunción, Paraguay
| | - Remigio Olveda
- Research Institute for Tropical Medicine, Manila, Philippines
| | | | - Marietjie Venter
- National Institute for Communicable Diseases, Johannesburg, South Africa
- Zoonoses Research Unit, Department Medical Virology, University of Pretoria, Pretoria, South Africa
- Division of Global Health Protection, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | | | | | | | - Andros Theo
- Virology Laboratory, University Teaching Hospital, Lusaka, Zambia
| | - Melissa Whaley
- Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Eduardo Azziz-Baumgartner
- Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Joseph Bresee
- Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Harry Campbell
- Centre for Global Health Research, University of Edinburgh, Edinburgh, United Kingdom
| | - Marc-Alain Widdowson
- Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
- * E-mail: (KEL); (MAW)
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7
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Abstract
Myocilin, a causative gene for open angle glaucoma, encodes a secreted glycoprotein with poorly understood functions. To gain insight into its functions, we produced a stably transfected HEK293 cell line expressing myocilin under an inducible promoter and compared gene expression profiles between myocilin-expressing and vector control cell lines by a microarray analysis. A significant fraction of differentially expressed genes in myocilin-expressing cells was associated with cell growth and cell death, suggesting that myocilin may have a role in the regulation of cell growth and survival. Increased proliferation of myocilin-expressing cells was demonstrated by the WST-1 proliferation assay, direct cell counting, and immunostaining with antibodies against Ki-67, a cellular proliferation marker. Myocilin-containing conditioned medium also increased proliferation of unmodified HEK293 cells. Myocilin-expressing cells were more resistant to serum starvation-induced apoptosis than control cells. TUNEL-positive apoptotic cells were dramatically decreased, and two apoptotic marker proteins, cleaved caspase 7 and cleaved poly(ADP-ribose) polymerase, were significantly reduced in myocilin-expressing cells as compared with control cells under apoptotic conditions. In addition, myocilin-deficient mesenchymal stem cells exhibited reduced proliferation and enhanced susceptibility to serum starvation-induced apoptosis as compared with wild-type mesenchymal stem cells. Phosphorylation of ERK1/2 and its upstream kinases, c-Raf and MEK, was increased in myocilin-expressing cells compared with control cells. Elevated phosphorylation of ERK1/2 was also observed in the trabecular meshwork of transgenic mice expressing 6-fold higher levels of myocilin when compared with their wild-type littermates. These results suggest that myocilin promotes cell proliferation and resistance to apoptosis via the ERK1/2 MAPK signaling pathway.
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Affiliation(s)
- Myung Kuk Joe
- From the Section of Retinal Ganglion Cell Biology, Laboratory of Retinal Cell and Molecular Biology, NEI, National Institutes of Health, Bethesda, Maryland 20892 and
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Ma W, Cojocaru R, Gotoh N, Gieser L, Villasmil R, Cogliati T, Swaroop A, Wong WT. Gene expression changes in aging retinal microglia: relationship to microglial support functions and regulation of activation. Neurobiol Aging 2013; 34:2310-21. [PMID: 23608111 DOI: 10.1016/j.neurobiolaging.2013.03.022] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Revised: 02/07/2013] [Accepted: 03/17/2013] [Indexed: 02/08/2023]
Abstract
Microglia, the resident immune cells of the central nervous system (CNS), are thought to contribute to the pathogenesis of age-related neurodegenerative disorders. It has been hypothesized that microglia undergo age-related changes in gene expression patterns that give rise to pathogenic phenotypes. We compared the gene expression profiles in microglia isolated ex vivo from the retinas of mice ranging from early adulthood to late senescence. We discovered that microglial gene expression demonstrated progressive change with increasing age, and involved genes that regulate microglial supportive functions and immune activation. Molecular pathways involving immune function and regulation, angiogenesis, and neurotrophin signaling demonstrated age-related change. In particular, expression levels of complement genes, C3 and CFB, previously associated with age-related macular degeneration (AMD), increased with aging, suggesting that senescent microglia may contribute to complement dysregulation during disease pathogenesis. Taken together, senescent microglia demonstrate age-related gene expression changes capable of altering their constitutive support functions and regulation of their activation status in ways relating to neuroinflammation and neurodegeneration in the CNS.
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Affiliation(s)
- Wenxin Ma
- Unit on Neuron-Glia Interactions in Retinal Disease, National Eye Institute, National Institutes of Health, Bethesda, MD 20892, USA
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9
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Fritsche LG, Chen W, Schu M, Yaspan BL, Yu Y, Thorleifsson G, Zack DJ, Arakawa S, Cipriani V, Ripke S, Igo RP, Buitendijk GHS, Sim X, Weeks DE, Guymer RH, Merriam JE, Francis PJ, Hannum G, Agarwal A, Armbrecht AM, Audo I, Aung T, Barile GR, Benchaboune M, Bird AC, Bishop PN, Branham KE, Brooks M, Brucker AJ, Cade WH, Cain MS, Campochiaro PA, Chan CC, Cheng CY, Chew EY, Chin KA, Chowers I, Clayton DG, Cojocaru R, Conley YP, Cornes BK, Daly MJ, Dhillon B, Edwards AO, Evangelou E, Fagerness J, Ferreyra HA, Friedman JS, Geirsdottir A, George RJ, Gieger C, Gupta N, Hagstrom SA, Harding SP, Haritoglou C, Heckenlively JR, Holz FG, Hughes G, Ioannidis JPA, Ishibashi T, Joseph P, Jun G, Kamatani Y, Katsanis N, N Keilhauer C, Khan JC, Kim IK, Kiyohara Y, Klein BEK, Klein R, Kovach JL, Kozak I, Lee CJ, Lee KE, Lichtner P, Lotery AJ, Meitinger T, Mitchell P, Mohand-Saïd S, Moore AT, Morgan DJ, Morrison MA, Myers CE, Naj AC, Nakamura Y, Okada Y, Orlin A, Ortube MC, Othman MI, Pappas C, Park KH, Pauer GJT, Peachey NS, Poch O, Priya RR, Reynolds R, Richardson AJ, Ripp R, Rudolph G, Ryu E, Sahel JA, Schaumberg DA, Scholl HPN, Schwartz SG, Scott WK, Shahid H, Sigurdsson H, Silvestri G, Sivakumaran TA, Smith RT, Sobrin L, Souied EH, Stambolian DE, Stefansson H, Sturgill-Short GM, Takahashi A, Tosakulwong N, Truitt BJ, Tsironi EE, Uitterlinden AG, van Duijn CM, Vijaya L, Vingerling JR, Vithana EN, Webster AR, Wichmann HE, Winkler TW, Wong TY, Wright AF, Zelenika D, Zhang M, Zhao L, Zhang K, Klein ML, Hageman GS, Lathrop GM, Stefansson K, Allikmets R, Baird PN, Gorin MB, Wang JJ, Klaver CCW, Seddon JM, Pericak-Vance MA, Iyengar SK, Yates JRW, Swaroop A, Weber BHF, Kubo M, Deangelis MM, Léveillard T, Thorsteinsdottir U, Haines JL, Farrer LA, Heid IM, Abecasis GR. Seven new loci associated with age-related macular degeneration. Nat Genet 2013; 45:433-9, 439e1-2. [PMID: 23455636 PMCID: PMC3739472 DOI: 10.1038/ng.2578] [Citation(s) in RCA: 573] [Impact Index Per Article: 52.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2012] [Accepted: 02/07/2012] [Indexed: 12/11/2022]
Abstract
Age-related macular degeneration (AMD) is a common cause of blindness in older individuals. To accelerate the understanding of AMD biology and help design new therapies, we executed a collaborative genome-wide association study, including >17,100 advanced AMD cases and >60,000 controls of European and Asian ancestry. We identified 19 loci associated at P < 5 × 10(-8). These loci show enrichment for genes involved in the regulation of complement activity, lipid metabolism, extracellular matrix remodeling and angiogenesis. Our results include seven loci with associations reaching P < 5 × 10(-8) for the first time, near the genes COL8A1-FILIP1L, IER3-DDR1, SLC16A8, TGFBR1, RAD51B, ADAMTS9 and B3GALTL. A genetic risk score combining SNP genotypes from all loci showed similar ability to distinguish cases and controls in all samples examined. Our findings provide new directions for biological, genetic and therapeutic studies of AMD.
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Affiliation(s)
- Lars G Fritsche
- Institute of Human Genetics, University of Regensburg, Regensburg, Germany
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Varzari A, Stephan W, Stepanov V, Raicu F, Cojocaru R, Roschin Y, Glavce C, Dergachev V, Spiridonova M, Schmidt HD, Weiss E. Population history of the Dniester-Carpathians: evidence from Alu markers. J Hum Genet 2007; 52:308-316. [PMID: 17387576 DOI: 10.1007/s10038-007-0113-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2006] [Accepted: 01/03/2007] [Indexed: 10/23/2022]
Abstract
The area between the Dniester and the eastern Carpathian mountain range is at a geographical crossroads between eastern Europe and the Balkans. Little is known about the genetics of the population of this region. We performed an analysis of 12 binary autosomal markers in samples from six Dniester-Carpathian populations: two Moldavian, one Romanian, one Ukrainian and two Gagauz populations. The results were compared with gene frequency data from culturally and linguistically related populations from Southeast Europe and Central Asia. Small genetic differences were found among southeastern European populations (in particular those of the Dniester-Carpathian region). The observed homogeneity suggests either a very recent common ancestry of all southeastern European populations or strong gene flow between them. Despite this low level of differentiation, tree reconstruction and principle component analyses allowed a distinction between Balkan-Carpathian (Macedonians, Romanians, Moldavians, Ukrainians and Gagauzes) and eastern Mediterranean (Turks, Greeks and Albanians) population groups. The genetic affinities among Dniester-Carpathian and southeastern European populations do not reflect their linguistic relationships. The results indicate that the ethnic and genetic differentiations occurred in these regions to a considerable extent independently of each other. In particular, Gagauzes, a Turkic-speaking population, show closer affinities to their geographical neighbors than to other Turkic populations.
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Affiliation(s)
- Alexander Varzari
- National Center of Reproductive Health and Medical Genetics, Burebista str. 82, 2062, Kishinev, Moldova.
- Biocentre, Ludwigs-Maximilian University Munich, Grosshaderner Strasse 2, 82152, Planegg-Martinsried, Germany.
- Institute of Archaeology and Ethnography, Academy of Sciences of Moldova, Banulescu-Bodoni str. 35, 2012, Kishinev, Moldova.
| | - Wolfgang Stephan
- Biocentre, Ludwigs-Maximilian University Munich, Grosshaderner Strasse 2, 82152, Planegg-Martinsried, Germany
| | - Vadim Stepanov
- Research Institute of Medical Genetics, Russian Academy of Medical Sciences, Nab. Ushayky 10, 634050, Tomsk, Russia
| | - Florina Raicu
- Anthropological Research Centre "Francisc Rainer", Romanian Academy, B-dul Eroii Sanitari 8, Sector 5, Bucharest, Romania
| | - Radu Cojocaru
- National Scientific and Practical Centre for Preventive Medicine, Ministry of Health, Gheorghi Asachi 67, 2028, Kishinev, Moldova
| | - Yuri Roschin
- Medical Diagnostical Centre "Modus Vivendi", Kishinev, Moldova, Burebista str. 80, 2062, Kishinev, Moldova
| | - Cristiana Glavce
- Anthropological Research Centre "Francisc Rainer", Romanian Academy, B-dul Eroii Sanitari 8, Sector 5, Bucharest, Romania
| | - Valentin Dergachev
- Institute of Archaeology and Ethnography, Academy of Sciences of Moldova, Banulescu-Bodoni str. 35, 2012, Kishinev, Moldova
| | - Maria Spiridonova
- Research Institute of Medical Genetics, Russian Academy of Medical Sciences, Nab. Ushayky 10, 634050, Tomsk, Russia
| | - Horst D Schmidt
- Department of Anthropology, University of Ulm, Parkstrasse 11, 89073, Ulm, Germany
| | - Elisabeth Weiss
- Biocentre, Ludwigs-Maximilian University Munich, Grosshaderner Strasse 2, 82152, Planegg-Martinsried, Germany
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11
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Damian M, Grimont F, Narvskaya O, Straut M, Surdeanu M, Cojocaru R, Mokrousov I, Diaconescu A, Andronescu C, Melnic A, Mutoi L, Grimont PAD. Study of Corynebacterium diphtheriae strains isolated in Romania, northwestern Russia and the Republic of Moldova. Res Microbiol 2002; 153:99-106. [PMID: 11902155 DOI: 10.1016/s0923-2508(01)01294-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
A selection of 167 Corynebacterium diphtheriae strains isolated in Romania, the Russian Federation and the Republic of Moldova were analysed by biotyping, phage typing, the toxin production test and by molecular techniques such as ribotyping, pulsed field gel electrophoresis and random amplified polymorphic DNA, in order to establish the epidemiological relatedness, genetic divergence and strain circulation within and between the bordering countries. Using a set of five digoxigenin-labeled oligonucleotides and BstEII digestion, 34 ribotypes were identified. The strains isolated in the epidemic areas (Russia and Moldova) were very closely related but different from those isolated in Romania. C1 and C5 were the main ribotypes identified in these areas. Neither ribotype was found in Romania, where the main circulating types were C3 and C7. Field inversion gel electrophoresis was more discriminative than ribotyping and revealed 54 macrorestriction profiles after SfiI restriction. Both methods showed a significant homogeneity of the strains from epidemic areas and a large diversity among the Romanian strains. Random amplification was useful as an identification method for the epidemic strains, but not for the Romanian ones which displayed a large number of amplification profiles. The phenotypic methods associated with molecular typing techniques enabled distinguishing between strains, detecting the epidemic clone, and sustaining the absence of transmission across borders.
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Affiliation(s)
- Maria Damian
- Molecular Epidemiology Laboratory, Cantacuzino Institute, Bucharest, Romania
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12
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Balazs D, Cojocaru R, Damian M. Molecular characterization of Mycobacterium bovis BCG: Romanian sub-strain. Int J Tuberc Lung Dis 1999; 3:542-5. [PMID: 10383071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023] Open
Abstract
The Romanian sub-strain used for BCG vaccine production was characterized by polymorphic GC-rich repetitive sequence (PGRS) restriction profile and IS6110 detection. For comparison, the Pasteur and Moscow Mycobacterium bovis BCG sub-strains, M. bovis AN5, and M. tuberculosis H37Rv were analyzed. The BCG sub-strains showed the same restriction profile for PGRS after Pvu II, BamH I and Sal I digestion. They could be distinguished from the strains M. bovis AN5 and M. tuberculosis H37Rv after Pvu II and Sal I digestion. Sal I can also distinguish between M. bovis AN5 and M. tuberculosis H37Rv. Digestion with Pvu II, Sal I, Sca I, Mlu I and BamH I gave identical profiles of IS6110 hybridization for the Romanian and Pasteur BCG substrains.
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Affiliation(s)
- D Balazs
- Cantacuzino Institute, Bucharest, Romania
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13
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Cojocaru S, Cojocaru R. [The clinico-epidemiological characteristics of HIV infection in 93 adults in the Republic of Moldova]. Bacteriol Virusol Parazitol Epidemiol 1998; 43:269-74. [PMID: 10422323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
We have examined 93 adults HIV serum-positive (citizens of Moldova Republic), admitted in 1994-1998 (months I-VIII) to the Hospital of Infections Diseases 'T. Ciorba'--Kishinev. Since 1996 the number of HIV infected people began to grow up rapidly. Most affected group was those of 16-29 years old people--78.4%. The major way of the HIV transmission was the use of intravenous drugs (81.7%). Number of men i.v. drug users was two time greater then women's (88.9%/66.7%). At the time of HIV infection diagnosis 77.9% of patients were in the clinical category A, 16.9% in B and 5.2% in C (1993 classification system, CDC-Atlanta). During the control period seven persons were redistributed from the clinical category A to B and two from A to C. A high prevalence value for tuberculosis in AIDS (71.4%) has been observed, this infection being the first manifestation of stadium C in 57.1% of cases. The circulation of hepatitis viruses is high in the drug users community: the markers of VHC were detected in 84.2%, HBsAg in 17.1% and VHD antibodies in 9.2%.
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Cojocaru S, Cojocaru R. [The clinico-epidemiological aspects of HIV infection in 167 children nonmaternally infected who have died with a diagnosis of AIDS]. Bacteriol Virusol Parazitol Epidemiol 1998; 43:139-45. [PMID: 9932002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
Abstract
The aim of this study was to evaluate the clinical and epidemiological particularity of pediatrics nosocomial HIV infection. Our study group consists of 167 HIV serum-positive nonmaternally infected children who died of AIDS in 1990-1997 (inclusive) in Colentina Hospital of Infections Diseases--Bucharest. Fifty per cent of institutionalized children and 28% of family children died in the first two years of life. About 80% of children were revealed too late as HIV infected. It has been observed a relatively high prevalence values for: multiple or recurrent pneumonia--74.8%, recurrent or chronic diarrhea--87.4%, encephalopathy--65.8%, weight-growth deficiency--100%, disseminated or extrapulmonary tuberculosis--13.8%, HBsAg carriage--59.8%; and low prevalence values for: lymphoid interstitial pneumonia--16.5%, Pneumocystis carinii pneumonia--11.4%, cytomegalovirus diseases--1.8%, cryptosporidiosis--1.8%. The evolution of HIV infection (weight-growth deficiency and encephalopathy) were aggravated in hospitalised children (especially, in the first two years of life). Nutrition and hygiene care factors positively influence the evolution of HIV infection. Multiple or recurrent pneumonia are out of an important prognostic value in the appreciation of SIDA evolution. The incidence and severity of tuberculosis increased at older children. The too late diagnostic of HIV infection had unfavourable influence upon the life expectancy of children.
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Cojocaru S, Cojocaru R. [The action of HIV infection on the height-weight development of children infected postnatally]. Bacteriol Virusol Parazitol Epidemiol 1998; 43:39-42. [PMID: 9718747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The purpose of the recent research was to evaluate the influence of HIV infection on the weight-growth deficiency of nonmaternally infected children. The retrospective and prospective study was done on 141 children who died of AIDS in 1990-1997 (inclusive) in Colentina Hospital of Infectious Diseases, Bucharest. The mean of weight and growth deficiency in the total group was accordingly 50.7% and 20.4% with a statistically significant differences in organized children 54.3% and 21.3% in comparison with those of family 46.4% and 18.5%. The evaluation of the anthropometry data estimates a relationship of middle strength between weight and growth deficiency. The obtained data reveal the importance of nutrition and hygiene care factors in the degree of wasting syndrome and mortality-rate, especially in the first two years of life, and demonstrate the necessity of anthropometry measures of children in AIDS.
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Affiliation(s)
- S Cojocaru
- Universitatea de Medicină şi Farmacie, Bucureşti
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