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Pertactin-deficient Bordetella pertussis isolates: evidence of increased circulation in Europe, 1998 to 2015.

Barkoff AM, Mertsola J, Pierard D, Dalby T, Hoegh SV, Guillot S, Stefanelli P, van Gent M, Berbers G, Vestrheim D, Greve-Isdahl M, Wehlin L, Ljungman M, Fry NK, Markey K, He Q.

Euro Surveill. 2019 Feb;24(7). doi: 10.2807/1560-7917.ES.2019.24.7.1700832.


In memoriam - Bernard Alfred Fry, BA, PhD (6 July 1926 - 24 October 2018).

Guest JR, Fry NK.

Microbiology. 2019 Feb;165(2):127-128. doi: 10.1099/mic.0.000770. Epub 2019 Jan 16. No abstract available.



Fry NK, La Ragione RM, Ready D.

J Med Microbiol. 2019 Mar;68(3):289. doi: 10.1099/jmm.0.000899. Epub 2019 Jan 3. No abstract available.


Effect of childhood pneumococcal conjugate vaccination on invasive disease in older adults of 10 European countries: implications for adult vaccination.

Hanquet G, Krizova P, Valentiner-Branth P, Ladhani SN, Nuorti JP, Lepoutre A, Mereckiene J, Knol M, Winje BA, Ciruela P, Ordobas M, Guevara M, McDonald E, Morfeldt E, Kozakova J, Slotved HC, Fry NK, Rinta-Kokko H, Varon E, Corcoran M, van der Ende A, Vestrheim DF, Munoz-Almagro C, Latasa P, Castilla J, Smith A, Henriques-Normark B, Whittaker R, Pastore Celentano L, Savulescu C; SpIDnet/I-MOVE+ Pneumo Group.

Thorax. 2018 Oct 24. pii: thoraxjnl-2018-211767. doi: 10.1136/thoraxjnl-2018-211767. [Epub ahead of print]


Invasive pneumococcal disease in UK children under 1 year of age in the post-PCV13 era: what are the risks now?

Kent A, Makwana A, Sheppard CL, Collins S, Fry NK, Heath PT, Ramsay M, Ladhani SN.

Clin Infect Dis. 2018 Oct 3. doi: 10.1093/cid/ciy842. [Epub ahead of print]


Transmission of toxigenic Corynebacterium diphtheriae by a fully immunised resident returning from a visit to West Africa, United Kingdom, 2017.

Edwards D, Kent D, Lester C, Brown CS, Murphy ME, Brown NM, Sule O, Itani A, Chand M, Trindall A, Pearson C, Roddick I, Fry NK, Hoffmann J, Iyanger N, Kemp L, White J, Javid B, Ramsay ID, Zenner D, Ahmed A, Amirthalingam G, Salimee S, Litt D, Reacher M.

Euro Surveill. 2018 Sep;23(39). doi: 10.2807/1560-7917.ES.2018.23.39.1700681.


Rapid Spread of Pneumococcal Nonvaccine Serotype 7C Previously Associated with Vaccine Serotype 19F, England and Wales.

Makwana A, Ladhani SN, Kapatai G, Campion E, Fry NK, Sheppard C.

Emerg Infect Dis. 2018 Oct;24(10):1919-1922. doi: 10.3201/eid2410.180114.


Pneumococcal carriage in children and their household contacts six years after introduction of the 13-valent pneumococcal conjugate vaccine in England.

Southern J, Andrews N, Sandu P, Sheppard CL, Waight PA, Fry NK, Van Hoek AJ, Miller E.

PLoS One. 2018 May 25;13(5):e0195799. doi: 10.1371/journal.pone.0195799. eCollection 2018.


Discovery and description of a new serogroup 7 Streptococcus pneumoniae serotype, 7D, and structural analysis of 7C and 7D.

Kjeldsen C, Slott S, Elverdal PL, Sheppard CL, Kapatai G, Fry NK, Skovsted IC, Duus JØ.

Carbohydr Res. 2018 Jun 30;463:24-31. doi: 10.1016/j.carres.2018.04.011. Epub 2018 Apr 23.


Surveillance of Circulating Bordetella pertussis Strains in Europe during 1998 to 2015.

Barkoff AM, Mertsola J, Pierard D, Dalby T, Hoegh SV, Guillot S, Stefanelli P, van Gent M, Berbers G, Vestrheim DF, Greve-Isdahl M, Wehlin L, Ljungman M, Fry NK, Markey K, Auranen K, He Q.

J Clin Microbiol. 2018 Apr 25;56(5). pii: e01998-17. doi: 10.1128/JCM.01998-17. Print 2018 May.


Rapid increase in non-vaccine serotypes causing invasive pneumococcal disease in England and Wales, 2000-17: a prospective national observational cohort study.

Ladhani SN, Collins S, Djennad A, Sheppard CL, Borrow R, Fry NK, Andrews NJ, Miller E, Ramsay ME.

Lancet Infect Dis. 2018 Apr;18(4):441-451. doi: 10.1016/S1473-3099(18)30052-5. Epub 2018 Jan 26. Erratum in: Lancet Infect Dis. 2018 Feb 6;:.


Characteristics and Serotype Distribution of Childhood Cases of Invasive Pneumococcal Disease Following Pneumococcal Conjugate Vaccination in England and Wales, 2006-2014.

Oligbu G, Collins S, Andrews N, Sheppard CL, Fry NK, Slack MPE, Borrow R, Ladhani SN.

Clin Infect Dis. 2017 Oct 1;65(7):1191-1198. doi: 10.1093/cid/cix418.


External Quality Assurance for Laboratory Identification and Capsular Typing of Streptococcus pneumoniae.

Slotved HC, Sheppard CL, Dalby T, van der Ende A, Fry NK, Morfeldt E, Nyholm O, Rokney A, Ron M, Siira L, Scott KJ, Smith A, Thom L, Toropainen M, Vestrheim DF.

Sci Rep. 2017 Oct 16;7(1):13280. doi: 10.1038/s41598-017-13605-8.


Pertussis-associated persistent cough in previously vaccinated children.

Principi N, Litt D, Terranova L, Picca M, Malvaso C, Vitale C, Fry NK, Esposito S; The Italian Pertussis Group For Persistent Cough In Children.

J Med Microbiol. 2017 Nov;66(11):1699-1702. doi: 10.1099/jmm.0.000607. Epub 2017 Oct 6.


Development of an Extended-Specificity Multiplex Immunoassay for Detection of Streptococcus pneumoniae Serotype-Specific Antigen in Urine by Use of Human Monoclonal Antibodies.

Eletu SD, Sheppard CL, Thomas E, Smith K, Daniel P, Litt DJ, Lim WS, Fry NK.

Clin Vaccine Immunol. 2017 Dec 5;24(12). pii: e00262-17. doi: 10.1128/CVI.00262-17. Print 2017 Dec.


Pneumococcal 23B Molecular Subtype Identified Using Whole Genome Sequencing.

Kapatai G, Sheppard CL, Troxler LJ, Litt DJ, Furrer J, Hilty M, Fry NK.

Genome Biol Evol. 2017 Aug 1;9(8):2122-2135. doi: 10.1093/gbe/evx092.


Welcome from Norman Fry and Kalai Mathee, new co-Editors-in-Chief for the Journal of Medical Microbiology.

Fry NK, Mathee K.

J Med Microbiol. 2017 Jul;66(7):846. doi: 10.1099/jmm.0.000520. No abstract available.


Clinical streptococcal isolates, distinct from Streptococcus pneumoniae, but containing the β-glucosyltransferase tts gene and expressing serotype 37 capsular polysaccharide.

Sheppard CL, Kapatai G, Broughton K, Schaefer U, Hannah M, Litt DJ, Fry NK.

PeerJ. 2017 Jul 18;5:e3571. doi: 10.7717/peerj.3571. eCollection 2017.


Serious pneumococcal disease outbreak in men exposed to metal fume - detection, response and future prevention through pneumococcal vaccination.

Ewing J, Patterson L, Irvine N, Doherty L, Loughrey A, Kidney J, Sheppard C, Kapatai G, Fry NK, Ramsay M, Jessop L.

Vaccine. 2017 Jul 13;35(32):3945-3950. doi: 10.1016/j.vaccine.2017.06.010. Epub 2017 Jun 19.


Childhood Deaths Attributable to Invasive Pneumococcal Disease in England and Wales, 2006-2014.

Oligbu G, Collins S, Sheppard CL, Fry NK, Slack M, Borrow R, Ladhani SN.

Clin Infect Dis. 2017 Jul 15;65(2):308-314. doi: 10.1093/cid/cix310.


Use of a serotype-specific urine immunoassay to determine the course of a hospital outbreak of Streptococcus pneumoniae complicated by influenza A.

Sheppard CL, Clark J, Slack MP, Fry NK, Harrison TG.

JMM Case Rep. 2016 Feb 12;3(1):e005002. doi: 10.1099/jmmcr.0.005002. eCollection 2016 Feb.


Rise of multidrug-resistant non-vaccine serotype 15A Streptococcus pneumoniae in the United Kingdom, 2001 to 2014.

Sheppard C, Fry NK, Mushtaq S, Woodford N, Reynolds R, Janes R, Pike R, Hill R, Kimuli M, Staves P, Doumith M, Harrison T, Livermore DM.

Euro Surveill. 2016 Dec 15;21(50). pii: 30423. doi: 10.2807/1560-7917.ES.2016.21.50.30423.


Nosocomial Outbreak of Drug-Resistant Streptococcus pneumoniae Serotype 9V in an Adult Respiratory Medicine Ward.

Jauneikaite E, Khan-Orakzai Z, Kapatai G, Bloch S, Singleton J, Atkin S, Shah V, Hatcher J, Samarasinghe D, Sheppard C, Fry NK, Satta G, Sriskandan S.

J Clin Microbiol. 2017 Mar;55(3):776-782. doi: 10.1128/JCM.02405-16. Epub 2016 Dec 14.


Development, validation and implementation of a quadruplex real-time PCR assay for identification of potentially toxigenic corynebacteria.

De Zoysa A, Efstratiou A, Mann G, Harrison TG, Fry NK.

J Med Microbiol. 2016 Dec;65(12):1521-1527. doi: 10.1099/jmm.0.000382. Epub 2016 Nov 1.


Sustained Effectiveness of the Maternal Pertussis Immunization Program in England 3 Years Following Introduction.

Amirthalingam G, Campbell H, Ribeiro S, Fry NK, Ramsay M, Miller E, Andrews N.

Clin Infect Dis. 2016 Dec 1;63(suppl 4):S236-S243.


New Public Health England guidelines for managing pertussis in England.

Amirthalingam G, Brown CS, Campbell H, Chand MA, Fry NK.

J Infect. 2017 Feb;74(2):202-204. doi: 10.1016/j.jinf.2016.11.003. Epub 2016 Nov 10. No abstract available.


Survey of Household Contacts of Infants With Laboratory-confirmed Pertussis Infection During a National Pertussis Outbreak in England and Wales.

Kara EO, Campbell H, Ribeiro S, Fry NK, Litt D, Eletu S, Amirthalingam G.

Pediatr Infect Dis J. 2017 Feb;36(2):140-145. doi: 10.1097/INF.0000000000001378.


Acquisition and loss of virulence-associated factors during genome evolution and speciation in three clades of Bordetella species.

Linz B, Ivanov YV, Preston A, Brinkac L, Parkhill J, Kim M, Harris SR, Goodfield LL, Fry NK, Gorringe AR, Nicholson TL, Register KB, Losada L, Harvill ET.

BMC Genomics. 2016 Sep 30;17(1):767.


Whole genome sequencing of Streptococcus pneumoniae: development, evaluation and verification of targets for serogroup and serotype prediction using an automated pipeline.

Kapatai G, Sheppard CL, Al-Shahib A, Litt DJ, Underwood AP, Harrison TG, Fry NK.

PeerJ. 2016 Sep 14;4:e2477. doi: 10.7717/peerj.2477. eCollection 2016.


Current epidemiology of tetanus in England, 2001-2014.

Collins S, Amirthalingam G, Beeching NJ, Chand MA, Godbole G, Ramsay ME, Fry NK, White JM.

Epidemiol Infect. 2016 Dec;144(16):3343-3353. doi: 10.1017/S095026881600128X. Epub 2016 Aug 18.


Evaluation of an Optimal Epidemiological Typing Scheme for Legionella pneumophila with Whole-Genome Sequence Data Using Validation Guidelines.

David S, Mentasti M, Tewolde R, Aslett M, Harris SR, Afshar B, Underwood A, Fry NK, Parkhill J, Harrison TG.

J Clin Microbiol. 2016 Aug;54(8):2135-48. doi: 10.1128/JCM.00432-16. Epub 2016 Jun 8.


Analysis of Bordetella pertussis clinical isolates circulating in European countries during the period 1998-2012.

van Gent M, Heuvelman CJ, van der Heide HG, Hallander HO, Advani A, Guiso N, Wirsing von Kőnig CH, Vestrheim DF, Dalby T, Fry NK, Pierard D, Detemmerman L, Zavadilova J, Fabianova K, Logan C, Habington A, Byrne M, Lutyńska A, Mosiej E, Pelaz C, Gröndahl-Yli-Hannuksela K, Barkoff AM, Mertsola J, Economopoulou A, He Q, Mooi FR.

Eur J Clin Microbiol Infect Dis. 2015 Apr;34(4):821-30. doi: 10.1007/s10096-014-2297-2. Epub 2014 Dec 20.


Genomic analysis of isolates from the United Kingdom 2012 pertussis outbreak reveals that vaccine antigen genes are unusually fast evolving.

Sealey KL, Harris SR, Fry NK, Hurst LD, Gorringe AR, Parkhill J, Preston A.

J Infect Dis. 2015 Jul 15;212(2):294-301. doi: 10.1093/infdis/jiu665. Epub 2014 Dec 8.


A case-control study to estimate the effectiveness of maternal pertussis vaccination in protecting newborn infants in England and Wales, 2012-2013.

Dabrera G, Amirthalingam G, Andrews N, Campbell H, Ribeiro S, Kara E, Fry NK, Ramsay M.

Clin Infect Dis. 2015 Feb 1;60(3):333-7. doi: 10.1093/cid/ciu821. Epub 2014 Oct 19.


Investigations into the emergence of pertactin-deficient Bordetella pertussis isolates in six European countries, 1996 to 2012.

Zeddeman A, van Gent M, Heuvelman CJ, van der Heide HG, Bart MJ, Advani A, Hallander HO, Wirsing von Konig CH, Riffelman M, Storsaeter J, Vestrheim DF, Dalby T, Krogfelt KA, Fry NK, Barkoff AM, Mertsola J, He Q, Mooi F.

Euro Surveill. 2014 Aug 21;19(33). pii: 20881.


Effectiveness of maternal pertussis vaccination in England: an observational study.

Amirthalingam G, Andrews N, Campbell H, Ribeiro S, Kara E, Donegan K, Fry NK, Miller E, Ramsay M.

Lancet. 2014 Oct 25;384(9953):1521-8. doi: 10.1016/S0140-6736(14)60686-3. Epub 2014 Jul 15.


Plasticity of fimbrial genotype and serotype within populations of Bordetella pertussis: analysis by paired flow cytometry and genome sequencing.

Vaughan TE, Pratt CB, Sealey K, Preston A, Fry NK, Gorringe AR.

Microbiology. 2014 Sep;160(Pt 9):2030-44. doi: 10.1099/mic.0.079251-0. Epub 2014 Jul 15.


Whooping cough in school age children presenting with persistent cough in UK primary care after introduction of the preschool pertussis booster vaccination: prospective cohort study.

Wang K, Fry NK, Campbell H, Amirthalingam G, Harrison TG, Mant D, Harnden A.

BMJ. 2014 Jun 24;348:g3668. doi: 10.1136/bmj.g3668.


Oral fluid testing for pertussis, England and wales, june 2007-august 2009.

Campbell H, Amirthalingam G, Fry NK, Litt D, Harrison TG, Wagner K, Crowcroft NS, Miller E.

Emerg Infect Dis. 2014 Jun;20(6):968-75. doi: 10.3201/eid2006.131069.


Global population structure and evolution of Bordetella pertussis and their relationship with vaccination.

Bart MJ, Harris SR, Advani A, Arakawa Y, Bottero D, Bouchez V, Cassiday PK, Chiang CS, Dalby T, Fry NK, Gaillard ME, van Gent M, Guiso N, Hallander HO, Harvill ET, He Q, van der Heide HG, Heuvelman K, Hozbor DF, Kamachi K, Karataev GI, Lan R, Lutyńska A, Maharjan RP, Mertsola J, Miyamura T, Octavia S, Preston A, Quail MA, Sintchenko V, Stefanelli P, Tondella ML, Tsang RS, Xu Y, Yao SM, Zhang S, Parkhill J, Mooi FR.

MBio. 2014 Apr 22;5(2):e01074. doi: 10.1128/mBio.01074-14.


Montelukast for postinfectious cough in adults: a double-blind randomised placebo-controlled trial.

Wang K, Birring SS, Taylor K, Fry NK, Hay AD, Moore M, Jin J, Perera R, Farmer A, Little P, Harrison TG, Mant D, Harnden A.

Lancet Respir Med. 2014 Jan;2(1):35-43. doi: 10.1016/S2213-2600(13)70245-5. Epub 2013 Dec 2.


Comparison of the Legionella pneumophila population structure as determined by sequence-based typing and whole genome sequencing.

Underwood AP, Jones G, Mentasti M, Fry NK, Harrison TG.

BMC Microbiol. 2013 Dec 24;13:302. doi: 10.1186/1471-2180-13-302.


Extension of the Legionella pneumophila sequence-based typing scheme to include strains carrying a variant of the N-acylneuraminate cytidylyltransferase gene.

Mentasti M, Underwood A, Lück C, Kozak-Muiznieks NA, Harrison TG, Fry NK.

Clin Microbiol Infect. 2014 Jul;20(7):O435-41. doi: 10.1111/1469-0691.12459. Epub 2013 Dec 12.


Modelling anti-pertussis toxin IgG antibody decay following primary and preschool vaccination with an acellular pertussis vaccine in UK subjects using a modified oral fluid assay.

Fry NK, Litt DJ, Duncan J, Vaghji L, Warrener L, Samuel D, Andrews N, Harnden A, Harrison TG.

J Med Microbiol. 2013 Sep;62(Pt 9):1281-9. doi: 10.1099/jmm.0.062000-0. Epub 2013 May 30.


Evaluation of PCR methods for the diagnosis of pertussis by the European surveillance network for vaccine-preventable diseases (EUVAC.NET).

Dalby T, Fry NK, Krogfelt KA, Jensen JS, He Q; pertussis EQA participants.

Eur J Clin Microbiol Infect Dis. 2013 Oct;32(10):1285-9. doi: 10.1007/s10096-013-1874-0. Epub 2013 Apr 23.


Pulsed-field gel electrophoresis analysis of Bordetella pertussis isolates circulating in Europe from 1998 to 2009.

Advani A, Hallander HO, Dalby T, Krogfelt KA, Guiso N, Njamkepo E, von Könnig CH, Riffelmann M, Mooi FR, Sandven P, Lutynska A, Fry NK, Mertsola J, He Q.

J Clin Microbiol. 2013 Feb;51(2):422-8. doi: 10.1128/JCM.02036-12. Epub 2012 Nov 21.


Typing methods for legionella.

Lück C, Fry NK, Helbig JH, Jarraud S, Harrison TG.

Methods Mol Biol. 2013;954:119-48. doi: 10.1007/978-1-62703-161-5_6.


Antibody responses to individual Bordetella pertussis fimbrial antigen Fim2 or Fim3 following immunization with the five-component acellular pertussis vaccine or to pertussis disease.

Alexander F, Matheson M, Fry NK, Labram B, Gorringe AR.

Clin Vaccine Immunol. 2012 Nov;19(11):1776-83. doi: 10.1128/CVI.00355-12. Epub 2012 Sep 5.


Direct molecular typing of Bordetella pertussis from clinical specimens submitted for diagnostic quantitative (real-time) PCR.

Litt DJ, Jauneikaite E, Tchipeva D, Harrison TG, Fry NK.

J Med Microbiol. 2012 Dec;61(Pt 12):1662-8. doi: 10.1099/jmm.0.049585-0. Epub 2012 Aug 23.


Application of Legionella pneumophila-specific quantitative real-time PCR combined with direct amplification and sequence-based typing in the diagnosis and epidemiological investigation of Legionnaires' disease.

Mentasti M, Fry NK, Afshar B, Palepou-Foxley C, Naik FC, Harrison TG.

Eur J Clin Microbiol Infect Dis. 2012 Aug;31(8):2017-28. doi: 10.1007/s10096-011-1535-0. Epub 2012 Jan 26.


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