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Epidemiology and genotype diversity of norovirus infections among children aged <5 years following rotavirus vaccine introduction in Blantyre, Malawi.

Hungerford D, Jere KC, Bar-Zeev N, Harris JP, Cunliffe NA, Iturriza-Gómara M.

J Clin Virol. 2020 Feb;123:104248. doi: 10.1016/j.jcv.2019.104248. Epub 2019 Dec 18.


Characterization of Circulating Clostridium difficile Strains, Host Response and Intestinal Microbiome in Hospitalized Children With Diarrhea.

Lees EA, Carrol ED, Ellaby NAF, Roberts P, Corless CE, Lenzi L, Darby A, O'Brien SJ, Cunliffe NA, Turner MA, Miyajima F, Pirmohamed M.

Pediatr Infect Dis J. 2019 Dec 20. doi: 10.1097/INF.0000000000002559. [Epub ahead of print]


Duration and Density of Fecal Rotavirus Shedding in Vaccinated Malawian Children With Rotavirus Gastroenteritis.

Bennett A, Pollock L, Jere KC, Pitzer VE, Lopman B, Bar-Zeev N, Iturriza-Gomara M, Cunliffe NA.

J Infect Dis. 2019 Dec 13. pii: jiz612. doi: 10.1093/infdis/jiz612. [Epub ahead of print]


Reduction in hospitalisations for acute gastroenteritis-associated childhood seizures since introduction of rotavirus vaccination: a time-series and change-point analysis of hospital admissions in England.

Hungerford DJ, French N, Iturriza-Gómara M, Read JM, Cunliffe NA, Vivancos R.

J Epidemiol Community Health. 2019 Nov;73(11):1020-1025. doi: 10.1136/jech-2019-213055. Epub 2019 Sep 11.


Vaccine Effectiveness against DS-1-Like Rotavirus Strains in Infants with Acute Gastroenteritis, Malawi, 2013-2015.

Jere KC, Bar-Zeev N, Chande A, Bennett A, Pollock L, Sanchez-Lopez PF, Nakagomi O, Tate JE, Parashar UD, Heyderman RS, French N, Iturriza-Gomara M, Cunliffe NA.

Emerg Infect Dis. 2019 Sep;25(9):1734-1737. doi: 10.3201/eid2509.190258.


Evaluating strategies to improve rotavirus vaccine impact during the second year of life in Malawi.

Pitzer VE, Bennett A, Bar-Zeev N, Jere KC, Lopman BA, Lewnard JA, Parashar UD, Cunliffe NA.

Sci Transl Med. 2019 Aug 14;11(505). pii: eaav6419. doi: 10.1126/scitranslmed.aav6419.


Heterogeneous susceptibility to rotavirus infection and gastroenteritis in two birth cohort studies: Parameter estimation and epidemiological implications.

Lewnard JA, Lopman BA, Parashar UD, Bennett A, Bar-Zeev N, Cunliffe NA, Samuel P, Guerrero ML, Ruiz-Palacios G, Kang G, Pitzer VE.

PLoS Comput Biol. 2019 Jul 26;15(7):e1007014. doi: 10.1371/journal.pcbi.1007014. eCollection 2019 Jul.


Do hospital pressures change following rotavirus vaccine introduction? A retrospective database analysis in a large paediatric hospital in the UK.

Heinsbroek E, Hungerford D, Cooke RPD, Chowdhury M, Cargill JS, Bar-Zeev N, French N, Theodorou E, Standaert B, Cunliffe NA.

BMJ Open. 2019 May 15;9(5):e027739. doi: 10.1136/bmjopen-2018-027739.


Evidence of reduction of rotavirus diarrheal disease after rotavirus vaccine introduction in national immunization programs in the African countries: Report of the 11th African rotavirus symposium held in Lilongwe, Malawi.

Mwenda JM, Mandomando I, Jere KC, Cunliffe NA, Duncan Steele A.

Vaccine. 2019 May 21;37(23):2975-2981. doi: 10.1016/j.vaccine.2019.03.047. Epub 2019 Apr 24.


Etiology of Diarrhea Among Hospitalized Children in Blantyre, Malawi, Following Rotavirus Vaccine Introduction: A Case-Control Study.

Iturriza-Gómara M, Jere KC, Hungerford D, Bar-Zeev N, Shioda K, Kanjerwa O, Houpt ER, Operario DJ, Wachepa R, Pollock L, Bennett A, Pitzer VE, Cunliffe NA.

J Infect Dis. 2019 Jun 19;220(2):213-218. doi: 10.1093/infdis/jiz084.


Infrequent Transmission of Monovalent Human Rotavirus Vaccine Virus to Household Contacts of Vaccinated Infants in Malawi.

Bennett A, Pollock L, Jere KC, Pitzer VE, Lopman B, Parashar U, Everett D, Heyderman RS, Bar-Zeev N, Cunliffe NA, Iturriza-Gomara M.

J Infect Dis. 2019 May 5;219(11):1730-1734. doi: 10.1093/infdis/jiz002.


Nonsecretor Histo-blood Group Antigen Phenotype Is Associated With Reduced Risk of Clinical Rotavirus Vaccine Failure in Malawian Infants.

Pollock L, Bennett A, Jere KC, Dube Q, Mandolo J, Bar-Zeev N, Heyderman RS, Cunliffe NA, Iturriza-Gomara M.

Clin Infect Dis. 2019 Sep 27;69(8):1313-1319. doi: 10.1093/cid/ciy1067.


Mitigating bias in observational vaccine effectiveness studies using simulated comparator populations: Application to rotavirus vaccination in the UK.

Hungerford D, Vivancos R, Read JM, Bonnett LJ, Bar-Zeev N, Iturriza-Gómara M, Cunliffe NA, French N.

Vaccine. 2018 Oct 29;36(45):6674-6682. doi: 10.1016/j.vaccine.2018.09.051. Epub 2018 Oct 4.


Impact of monovalent rotavirus vaccine on diarrhoea-associated post-neonatal infant mortality in rural communities in Malawi: a population-based birth cohort study.

Bar-Zeev N, King C, Phiri T, Beard J, Mvula H, Crampin AC, Heinsbroek E, Lewycka S, Tate JE, Parashar UD, Costello A, Mwansambo C, Heyderman RS, French N, Cunliffe NA; VacSurv Consortium.

Lancet Glob Health. 2018 Sep;6(9):e1036-e1044. doi: 10.1016/S2214-109X(18)30314-0. Erratum in: Lancet Glob Health. 2018 Dec;6(12):e1286.


Direct and possible indirect effects of vaccination on rotavirus hospitalisations among children in Malawi four years after programmatic introduction.

Bennett A, Pollock L, Jere KC, Pitzer VE, Parashar U, Tate JE, Heyderman RS, Mwansambo C, French N, Nakagomi O, Iturriza-Gomara M, Everett D, Cunliffe NA, Bar-Zeev N; VacSurv Consortium.

Vaccine. 2018 Nov 12;36(47):7142-7148. doi: 10.1016/j.vaccine.2018.04.030. Epub 2018 Jun 7.


Safety and Immunogenicity of Seven Dosing Regimens of the Candidate RTS,S/AS01E Malaria Vaccine Integrated Within an Expanded Program on Immunization Regimen: A Phase II, Single-Center, Open, Controlled Trial in Infants in Malawi.

Witte D, Cunliffe NA, Turner AM, Ngulube E, Ofori-Anyinam O, Vekemans J, Chimpeni P, Lievens M, Wilson TP, Njiram'madzi J, Mendoza YG, Leach A.

Pediatr Infect Dis J. 2018 May;37(5):483-491. doi: 10.1097/INF.0000000000001937.


Rotavirus vaccine impact and socioeconomic deprivation: an interrupted time-series analysis of gastrointestinal disease outcomes across primary and secondary care in the UK.

Hungerford D, Vivancos R, Read JM, Iturriza-Gόmara M, French N, Cunliffe NA.

BMC Med. 2018 Jan 29;16(1):10. doi: 10.1186/s12916-017-0989-z.


Detection of rotavirus in paediatric oncology patients with diarrhoea: the impact of rotavirus vaccine.

Akhtar T, Cargill J, Gerrard C, Shaw F, Cunliffe NA, Cooke RPD, Pizer B.

J Hosp Infect. 2018 Jun;99(2):185-187. doi: 10.1016/j.jhin.2017.12.022. Epub 2018 Jan 6.


Estimating the incidence of rotavirus infection in children from India and Malawi from serial anti-rotavirus IgA titres.

Bennett A, Nagelkerke N, Heinsbroek E, Premkumar PS, Wnęk M, Kang G, French N, Cunliffe NA, Bar-Zeev N, Lopman B, Iturriza-Gomara M.

PLoS One. 2017 Dec 29;12(12):e0190256. doi: 10.1371/journal.pone.0190256. eCollection 2017.


Emergence of Double- and Triple-Gene Reassortant G1P[8] Rotaviruses Possessing a DS-1-Like Backbone after Rotavirus Vaccine Introduction in Malawi.

Jere KC, Chaguza C, Bar-Zeev N, Lowe J, Peno C, Kumwenda B, Nakagomi O, Tate JE, Parashar UD, Heyderman RS, French N, Cunliffe NA, Iturriza-Gomara M.

J Virol. 2018 Jan 17;92(3). pii: e01246-17. doi: 10.1128/JVI.01246-17. Print 2018 Feb 1.


The economic impact of childhood acute gastroenteritis on Malawian families and the healthcare system.

Hendrix N, Bar-Zeev N, Atherly D, Chikafa J, Mvula H, Wachepa R, Crampin AC, Mhango T, Mwansambo C, Heyderman RS, French N, Cunliffe NA, Pecenka C; VacSurv Consortium.

BMJ Open. 2017 Sep 3;7(9):e017347. doi: 10.1136/bmjopen-2017-017347.


Whole genome characterisation of a porcine-like human reassortant G26P[19] Rotavirus A strain detected in a child hospitalised for diarrhoea in Nepal, 2007.

Agbemabiese CA, Nakagomi T, Gauchan P, Sherchand JB, Pandey BD, Cunliffe NA, Nakagomi O.

Infect Genet Evol. 2017 Oct;54:164-169. doi: 10.1016/j.meegid.2017.06.026. Epub 2017 Jun 30.


Acute norovirus gastroenteritis in children in a highly rotavirus-vaccinated population in Northeast Brazil.

Santos VS, Gurgel RQ, Cavalcante SM, Kirby A, Café LP, Souto MJ, Dolabella SS, de Assis MR, Fumian TM, Miagostovich MP, Cunliffe NA, Cuevas LE.

J Clin Virol. 2017 Mar;88:33-38. doi: 10.1016/j.jcv.2016.10.015. Epub 2016 Oct 29.


Effect of human rotavirus vaccine on severe diarrhea in African infants.

Madhi SA, Cunliffe NA, Steele D, Witte D, Kirsten M, Louw C, Ngwira B, Victor JC, Gillard PH, Cheuvart BB, Han HH, Neuzil KM.

Malawi Med J. 2016 Sep;28(3):108-114.


Clinical value of stool culture in paediatric oncology patients: hospital evaluation and UK survey of practice.

O'Connor O, Cooke RP, Cunliffe NA, Pizer B.

J Hosp Infect. 2017 Jan;95(1):123-125. doi: 10.1016/j.jhin.2016.10.005. Epub 2016 Oct 15.


The Gut Microbiome as Possible Key to Understanding and Improving Rotavirus Vaccine Performance in High-Disease Burden Settings.

Iturriza-Gómara M, Cunliffe NA.

J Infect Dis. 2017 Jan 1;215(1):8-10. doi: 10.1093/infdis/jiw521. Epub 2016 Oct 31. No abstract available.


Whole-genome characterisation of G12P[6] rotavirus strains possessing two distinct genotype constellations co-circulating in Blantyre, Malawi, 2008.

Nakagomi T, Do LP, Agbemabiese CA, Kaneko M, Gauchan P, Doan YH, Jere KC, Steele AD, Iturriza-Gomara M, Nakagomi O, Cunliffe NA.

Arch Virol. 2017 Jan;162(1):213-226. doi: 10.1007/s00705-016-3103-5. Epub 2016 Oct 7.


Measuring indirect effects of rotavirus vaccine in low income countries.

Bennett A, Bar-Zeev N, Cunliffe NA.

Vaccine. 2016 Aug 17;34(37):4351-3. doi: 10.1016/j.vaccine.2016.07.001. Epub 2016 Jul 18.


Incidence of rotavirus gastroenteritis by age in African, Asian and European children: Relevance for timing of rotavirus vaccination.

Steele AD, Madhi SA, Cunliffe NA, Vesikari T, Phua KB, Lim FS, Nelson EA, Lau YL, Huang LM, Karkada N, Debrus S, Han HH, Benninghoff B.

Hum Vaccin Immunother. 2016 Sep;12(9):2406-12. doi: 10.1080/21645515.2016.1179412. Epub 2016 Jun 3.


Predictors of Uptake and Timeliness of Newly Introduced Pneumococcal and Rotavirus Vaccines, and of Measles Vaccine in Rural Malawi: A Population Cohort Study.

Mvula H, Heinsbroek E, Chihana M, Crampin AC, Kabuluzi S, Chirwa G, Mwansambo C, Costello A, Cunliffe NA, Heyderman RS, French N, Bar-Zeev N; VacSurv Consortium.

PLoS One. 2016 May 6;11(5):e0154997. doi: 10.1371/journal.pone.0154997. eCollection 2016.


Early Detection of Epidemic GII-4 Norovirus Strains in UK and Malawi: Role of Surveillance of Sporadic Acute Gastroenteritis in Anticipating Global Epidemics.

Allen DJ, Trainor E, Callaghan A, O'Brien SJ, Cunliffe NA, Iturriza-Gómara M.

PLoS One. 2016 Apr 26;11(4):e0146972. doi: 10.1371/journal.pone.0146972. eCollection 2016.


Cost-Effectiveness of Monovalent Rotavirus Vaccination of Infants in Malawi: A Postintroduction Analysis Using Individual Patient-Level Costing Data.

Bar-Zeev N, Tate JE, Pecenka C, Chikafa J, Mvula H, Wachepa R, Mwansambo C, Mhango T, Chirwa G, Crampin AC, Parashar UD, Costello A, Heyderman RS, French N, Atherly D, Cunliffe NA; VACSURV Consortium.

Clin Infect Dis. 2016 May 1;62 Suppl 2:S220-8. doi: 10.1093/cid/civ1025.


Population Impact and Effectiveness of Monovalent Rotavirus Vaccination in Urban Malawian Children 3 Years After Vaccine Introduction: Ecological and Case-Control Analyses.

Bar-Zeev N, Jere KC, Bennett A, Pollock L, Tate JE, Nakagomi O, Iturriza-Gomara M, Costello A, Mwansambo C, Parashar UD, Heyderman RS, French N, Cunliffe NA; Vaccine Effectiveness and Disease Surveillance Programme, Malawi (VACSURV) Consortium.

Clin Infect Dis. 2016 May 1;62 Suppl 2:S213-9. doi: 10.1093/cid/civ1183.


Can Changes to Scheduling Enhance the Performance of Rotavirus Vaccines in Low-Income Countries?

Cunliffe NA, Kang G.

J Infect Dis. 2016 Jun 1;213(11):1673-5. doi: 10.1093/infdis/jiw026. Epub 2016 Jan 27. No abstract available.


Antimicrobial Susceptibility Patterns Among Extended-Spectrum β-Lactamase-Producing Enterobacteriaceae in a Large Pediatric Hospital in the United Kingdom.

Drew RJ, Ormandy EE, Ball K, Lambert SE, Paulus S, Williams NJ, Cunliffe NA.

J Pediatric Infect Dis Soc. 2015 Dec;4(4):e147-50. doi: 10.1093/jpids/piu094. Epub 2014 Oct 3.


Faecal consistency and risk factors for diarrhoea and constipation in cats in UK rehoming shelters.

German AC, Cunliffe NA, Morgan KL.

J Feline Med Surg. 2017 Jan;19(1):57-65. doi: 10.1177/1098612X15610370. Epub 2016 Jul 9.


Methodological challenges in measuring vaccine effectiveness using population cohorts in low resource settings.

King C, Beard J, Crampin AC, Costello A, Mwansambo C, Cunliffe NA, Heyderman RS, French N, Bar-Zeev N; VacSurv Consortium.

Vaccine. 2015 Sep 11;33(38):4748-55. doi: 10.1016/j.vaccine.2015.07.062. Epub 2015 Jul 30. Review.


Methods and challenges in measuring the impact of national pneumococcal and rotavirus vaccine introduction on morbidity and mortality in Malawi.

Bar-Zeev N, Kapanda L, King C, Beard J, Phiri T, Mvula H, Crampin AC, Mwansambo C, Costello A, Parashar U, Tate JE, Verani JR, Whitney CG, Heyderman RS, Cunliffe NA, French N; VacSurv Consortium.

Vaccine. 2015 May 28;33(23):2637-45. doi: 10.1016/j.vaccine.2015.04.053. Epub 2015 Apr 24.


Determination of a Viral Load Threshold To Distinguish Symptomatic versus Asymptomatic Rotavirus Infection in a High-Disease-Burden African Population.

Bennett A, Bar-Zeev N, Jere KC, Tate JE, Parashar UD, Nakagomi O, Heyderman RS, French N, Iturriza-Gomara M, Cunliffe NA.

J Clin Microbiol. 2015 Jun;53(6):1951-4. doi: 10.1128/JCM.00875-15. Epub 2015 Apr 8.


Assessing the Likely Impact of a Rotavirus Vaccination Program in England: The Contribution of Syndromic Surveillance.

Bawa Z, Elliot AJ, Morbey RA, Ladhani S, Cunliffe NA, O'Brien SJ, Regan M, Smith GE.

Clin Infect Dis. 2015 Jul 1;61(1):77-85. doi: 10.1093/cid/civ264. Epub 2015 Mar 31.


Reduction in Rotavirus Disease and Sustained Predominance of G2P[4] Rotavirus Strain following Introduction of Rotavirus Vaccine in Recife, Brazil.

Montenegro FM, Falbo AR, Germano EM, Correia NB, Souza Eda S, Nakagomi O, Nakagomi T, Cuevas LE, Cunliffe NA, Correia JB.

J Trop Pediatr. 2015 Jun;61(3):206-9. doi: 10.1093/tropej/fmv006. Epub 2015 Feb 26.


Effectiveness of a monovalent rotavirus vaccine in infants in Malawi after programmatic roll-out: an observational and case-control study.

Bar-Zeev N, Kapanda L, Tate JE, Jere KC, Iturriza-Gomara M, Nakagomi O, Mwansambo C, Costello A, Parashar UD, Heyderman RS, French N, Cunliffe NA; VacSurv Consortium.

Lancet Infect Dis. 2015 Apr;15(4):422-8. doi: 10.1016/S1473-3099(14)71060-6. Epub 2015 Jan 29.


Molecular epidemiology of noroviruses detected in Nepalese children with acute diarrhea between 2005 and 2011: increase and predominance of minor genotype GII.13.

Hoa-Tran TN, Nakagomi T, Sano D, Sherchand JB, Pandey BD, Cunliffe NA, Nakagomi O.

Infect Genet Evol. 2015 Mar;30:27-36. doi: 10.1016/j.meegid.2014.12.003. Epub 2014 Dec 9.


Incidence of rotavirus and circulating genotypes in Northeast Brazil during 7 years of national rotavirus vaccination.

Gurgel RQ, Alvarez Ade J, Rodrigues A, Ribeiro RR, Dolabella SS, Da Mota NL, Santos VS, Iturriza-Gomara M, Cunliffe NA, Cuevas LE.

PLoS One. 2014 Oct 31;9(10):e110217. doi: 10.1371/journal.pone.0110217. eCollection 2014.


Potential barriers to healthcare in Malawi for under-five children with cough and fever: a national household survey.

Ustrup M, Ngwira B, Stockman LJ, Deming M, Nyasulu P, Bowie C, Msyamboza K, Meyrowitsch DW, Cunliffe NA, Bresee J, Fischer TK.

J Health Popul Nutr. 2014 Mar;32(1):68-78.


Incorporation of a rotavirus vaccine into the national immunisation schedule in the United Kingdom: a review.

Nakagomi O, Iturriza-Gomara M, Nakagomi T, Cunliffe NA.

Expert Opin Biol Ther. 2013 Nov;13(11):1613-21. doi: 10.1517/14712598.2013.840285. Epub 2013 Oct 2. Review.


Emergence of carbapenem-resistant Enterobacteriaceae in a UK paediatric hospital.

Drew RJ, Turton JF, Hill RL, Livermore DM, Woodford N, Paulus S, Cunliffe NA.

J Hosp Infect. 2013 Aug;84(4):300-4. doi: 10.1016/j.jhin.2013.05.003. Epub 2013 Jul 5.


Campylobacter infection in children in Malawi is common and is frequently associated with enteric virus co-infections.

Mason J, Iturriza-Gomara M, O'Brien SJ, Ngwira BM, Dove W, Maiden MC, Cunliffe NA.

PLoS One. 2013;8(3):e59663. doi: 10.1371/journal.pone.0059663. Epub 2013 Mar 26.


Continued Circulation of G12P[6] Rotaviruses Over 28 Months in Nepal: Successive Replacement of Predominant Strains.

Gauchan P, Nakagomi T, Sherchand JB, Yokoo M, Pandey BD, Cunliffe NA, Nakagomi O.

Trop Med Health. 2013 Mar;41(1):7-12. doi: 10.2149/tmh.2012-28. Epub 2013 Feb 6.


G8 rotaviruses with conserved genotype constellations detected in Malawi over 10 years (1997-2007) display frequent gene reassortment among strains co-circulating in humans.

Nakagomi T, Doan YH, Dove W, Ngwira B, Iturriza-Gómara M, Nakagomi O, Cunliffe NA.

J Gen Virol. 2013 Jun;94(Pt 6):1273-95. doi: 10.1099/vir.0.050625-0. Epub 2013 Feb 13.

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