Research Topics
| Sarah AlexanderSummaryAffiliation: Health Protection Agency Country: UK Publications
| Collaborators
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Detail Information
Publications
Is new variant Chlamydia trachomatis present in England and Wales?S Alexander
Sexually Transmitted Bacteria Reference Laboratory, Health Protection Agency, Centre for Infections, 61 Colindale Ave, London NW9 5HT, UK
Sex Transm Infect 84:29-31. 2008..Consequently, these platforms generate false negative results when presented with this strain...
A comparison of two methods for the diagnosis of lymphogranuloma venereumSarah Alexander
Sexually Transmitted Bacteria Reference Laboratory, Health Protection Agency, Centre for Infections, 61 Colindale Ave, London NW9 5HT, UK
J Med Microbiol 57:962-5. 2008..In conclusion, the two methods for the detection of LGV from clinical samples were found not only to have a high concordance (94.7 %) but also to be complementary, and could be used in an integrated way to aid LGV detection...- Self-taken pharyngeal and rectal swabs are appropriate for the detection of Chlamydia trachomatis and Neisseria gonorrhoeae in asymptomatic men who have sex with menS Alexander
Sexually Transmitted Bacteria Reference Laboratory, Health Protection Agency, 61 Colindale Avenue, London NW95HT, UK
Sex Transm Infect 84:488-92. 2008..The performance of self-taken specimens for the detection of Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (GC) from both pharyngeal and rectal sites in asymptomatic MSM was assessed... 
Confirming the Chlamydia trachomatis status of referred rectal specimensSarah Alexander
Sexually Transmitted Bacteria Reference Laboratory, Health Protection Agency, Centre for Infections, Colindale Avenue, London NW9 5HT, UK
Sex Transm Infect 83:327-9. 2007..To assess the reliability of different laboratory methods for the detection of Chlamydia trachomatis in rectal specimens..- Still no evidence of new variant Chlamydia trachomatis in England and WalesSarah Alexander
Sexually Transmitted Bacteria Reference Laboratory, Health Protection Agency, Centre for Infections, London, NW9 5HT, UK
Sex Health 8:74-5. 2011..New variant Chlamydia trachomatis (nvCT) remains an important public health concern and in 2008 four cases of nvCT were reported in Scotland. The present study set out to determine whether nvCT was present in England and Wales... - Evaluation of strategies for confirming Neisseria gonorrhoeae nucleic acid amplification testsSarah Alexander
Sexually Transmitted Bacteria Reference Laboratory, Health Protection Agency, London NW9 5HT, UK
J Med Microbiol 60:909-12. 2011.... - The prevalence of proline iminopeptidase negative Neisseria gonorrhoeae throughout England and WalesS Alexander
Sexually Transmitted Bacteria Reference Laboratory, Health Protection Agency, Centre for Infections, Colindale Avenue, London NW9 5HT, UK
Sex Transm Infect 82:280-2. 2006..This study aimed to determine the frequency of Pip negative gonococci in England and Wales... - Evaluation of commercial kits for the identification of Neisseria gonorrhoeaeSarah Alexander
Sexually Transmitted Bacteria Reference Laboratory, Health Protection Agency, Centre for Infections, Colindale Avenue, London NW9 5HT, UK
J Med Microbiol 54:827-31. 2005..This further reinforces the recommendation that any dubious biochemical result should be confirmed with an immunological test... - Lymphogranuloma venereum in the UK in 2003Linda Greene
Jefferiss Wing Centre for Sexual Health, Health Protection Agency Centre for Infections, London, UK
Int J STD AIDS 19:139-40. 2008.... - Emergence of a Neisseria gonorrhoeae clone showing decreased susceptibility to cefixime in England and WalesStephanie A Chisholm
Sexually Transmitted Bacteria Reference Laboratory, Health Protection Agency, 61 Colindale Avenue, London NW9 5EQ, UK
J Antimicrob Chemother 66:2509-12. 2011..This study characterizes gonococcal isolates with decreased cefixime susceptibility from England and Wales... - Update on lymphogranuloma venereum in the United KingdomHeather Jebbari
Health Protection Agency, Centre for Infections, London, UK
Sex Transm Infect 83:324-6. 2007..This report updates the UK epidemiology of lymphogranuloma venereum (LGV) to the end of April 2007... - env Gene typing of human immunodeficiency virus type 1 strains on electronic microarraysN A Saunders
Genomics Proteomics Bioinformatics Unit, Centre for Infections, HPA Colindale, 61 Colindale Ave, London NW9 5HT, UK
J Clin Microbiol 43:1910-6. 2005..Overall, the NanoChip assay gave results comparable to those for HMA and sequencing and provides a convenient and cost-effective means by which to subtype HIV-1... - Chlamydia trachomatis screening in young womenPaula Baraitser
English National Chlamydia Screening Programme, Health Protection Agency, Department Epidemiology and Public Health, UCL, Torrington Place, London, UK
Curr Opin Obstet Gynecol 23:315-20. 2011..As the number of chlamydia screening programmes implemented worldwide increases, we summarize current understanding of the epidemiology, natural history, and management of chlamydia, focusing on screening in young women... - Antimicrobial resistance in Neisseria gonorrhoeae in the UK: surveillance and managementCatherine A Ison
Sexually Transmitted Bacteria Reference Laboratory, Health Protection Agency, 61 Colindale Avenue, London, UK
Expert Rev Anti Infect Ther 9:867-76. 2011..Innovative and collaborative approaches will be essential to maintain gonorrhea as a treatable infection... - Initial results of enhanced surveillance for lymphogranuloma venereum (LGV) in EnglandNeil MacDonald
HIV and Sexually Transmitted Infections Department, Health Protection Agency, Centre for Infections, London, England
Euro Surveill 10:E050127.5. 2005 - New point of care Chlamydia Rapid Test--bridging the gap between diagnosis and treatment: performance evaluation studyLourdes Mahilum Tapay
Diagnostics for the Real World Europe Ltd, Cambridge Science Park, Cambridge CB4 0WG
BMJ 335:1190-4. 2007..To evaluate the performance of a new Chlamydia Rapid Test with vaginal swab specimens as a potential tool for chlamydia diagnosis and screening... - Development of real-time PCR assays for genotyping of Chlamydia trachomatisHamid Jalal
Clinical Microbiology and Public Health Laboratory, Box 236, Addenbrooke s Hospital, Hills Road, Cambridge CB2 2QW, United Kingdom
J Clin Microbiol 45:2649-53. 2007..This is the first successful demonstration of the use of real-time PCR for the genotype-specific typing of C. trachomatis strains that cause sexually transmitted diseases... - Chlamydia trachomatis variant not detected by plasmid based nucleic acid amplification tests: molecular characterisation and failure of single dose azithromycinJose Paolo V Magbanua
Department of Haematology, University of Cambridge, EABC Site, Long Road, Cambridge CB2 2PT, UK
Sex Transm Infect 83:339-43. 2007..To characterise a Chlamydia trachomatis variant strain from a patient with non-gonococcal urethritis (NGU) whose first void urine (FVU) displayed discrepant Ctrachomatis test results and describe the clinical response to treatment... - Lymphogranuloma venereum in the United kingdomHelen Ward
HIV and STI Section, Imperial College London, London, W2 1PG, United Kingdom
Clin Infect Dis 44:26-32. 2007..We report on, to our knowledge, the largest case series of LGV to date, with detailed epidemiological and clinical characteristics of the epidemic in the United Kingdom... - The molecular diagnosis of lymphogranuloma venereum: evaluation of a real-time multiplex polymerase chain reaction test using rectal and urethral specimensCheng Yen Chen
Division of STD Prevention, National Center for HIV, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
Sex Transm Dis 34:451-5. 2007.... - Lymphogranuloma venereum in AustraliaIan Simms
Sex Health 3:131-3. 2006.... - Activity of ertapenem against Neisseria gonorrhoeaeDavid M Livermore
J Antimicrob Chemother 54:280-1. 2004