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  • Journal article
    Churcher TS, Basanez M-G, 2009,

    Sampling strategies to detect anthelmintic resistance: the perspective of human onchocerciasis

    , TRENDS IN PARASITOLOGY, Vol: 25, Pages: 11-17, ISSN: 1471-4922
  • Journal article
    Devillard S, Jombart T, Pontier D, 2009,

    Revealing cryptic genetic structuring in an urban population of stray cats (<i>Felis silvestris catus</i>)

    , MAMMALIAN BIOLOGY, Vol: 74, Pages: 59-71, ISSN: 1616-5047
  • Journal article
    Ghani A, Baguelin M, Griffin J, Flasche S, van Hoek AJ, Cauchemez S, Donnelly C, Robertson C, White M, Truscott J, otherset al., 2009,

    The early transmission dynamics of H1N1pdm influenza in the United Kingdom

    , PLoS currents, Vol: 1
  • Conference paper
    Van Elsland S, Van Der Hoeven M, Joshi S, Doak CMet al., 2009,

    OWNING A PRESSURE COOKER IS ASSOCIATED WITH BETTER FOOD SECURITY IN HIV/AIDS AFFECTED HOUSEHOLDS IN AURANGABAD INDIA

    , Publisher: KARGER, Pages: 389-389, ISSN: 0250-6807
  • Journal article
    Okell LC, Ghani AC, Lyons E, Drakeley CJet al., 2009,

    Submicroscopic infection in Plasmodium falciparum-endemic populations: a systematic review and meta-analysis

    , J Infect Dis, Vol: 200, Pages: 1509-1517, ISSN: 1537-6613

    INTRODUCTION: Light microscopy examination of blood slides is the main method of detecting malaria infection; however, it has limited sensitivity. Low-density infections are most likely to be missed, but they contribute to the infectious reservoir. Quantifying these submicroscopic infections is therefore key to understanding transmission dynamics and successfully reducing parasite transmission. METHODS: We conducted a systematic review of endemic population surveys in which P. falciparum prevalence had been measured by both microscopy and a more-sensitive polymerase chain reaction (PCR)-based technique. The combined microscopy:PCR prevalence ratio was estimated by random-effects meta-analysis, and the effect of covariates was determined by meta-regression. RESULTS: Seventy-two pairs of prevalence measurements were included in the study. The prevalence of infection measured by microscopy was, on average, 50.8% (95% confidence interval [CI], 45.2%-57.1%) of that measured by PCR. For gametocyte-specific detection, the microscopy prevalence was, on average, 8.7% (95% CI, 2.8%-26.6%) of the prevalence measured by PCR. A significantly higher percentage of total infections was detected by microscopy in areas of high, compared with low, transmission (74.5% when the prevalence determined by PCR was >75% versus 12.0% when the prevalence determined by PCR was <10%). DISCUSSION: Microscopy can miss a substantial proportion of P. falciparum infections in surveys of endemic populations, especially in areas with low transmission of infection. The extent of the submicroscopic reservoir needs to be taken into account for effective surveillance and control.

  • Journal article
    Nyffenegger L, Abbas M, Gex G, Boffi E, Schrenzel J, Bouchuiguir-Wafa K, Hirschel Bet al., 2009,

    Imported cases of histoplamosis,Cas importés d’histoplasmose

    , Revue Medicale Suisse, Vol: 5, Pages: 2418-2423
  • Journal article
    Abramovitz D, Volz EM, Strathdee SA, Patterson TL, Vera A, Frost SDWet al., 2009,

    Using Respondent Driven Sampling in a Hidden Population at Risk of HIV Infection: Who do HIV-positive recruiters recruit?

    , Sexually transmitted diseases, Vol: 36, Pages: 750-750
  • Journal article
    Garske T, 2009,

    A very tricky business: the importance of accurately predicting the severity of swine flu

    , Therapy, Vol: 6, Pages: 839-841, ISSN: 1475-0708
  • Journal article
    Lipsitch M, Lajous M, O Hagan JJ, Cohen T, Miller JC, Goldstein E, Danon L, Wallinga J, Riley S, Dowell SF, Reed C, McCarron Met al., 2009,

    Use of cumulative incidence of novel influenza A/H1N1 in foreign travelers to estimate lower bounds on cumulative incidence in Mexico.

    , PLoS ONE, Vol: 4, Pages: e6895-e6895
  • Journal article
    Presanis AM, Lipsitch M, Angelis DD, Health SFITNYCDO, Hygiene M, Hagy A, Reed C, Riley S, Cooper BSet al., 2009,

    The severity of pandemic H1N1 influenza in the United States, April – July 2009.

    , PLoS Curr, Vol: 1, Pages: RRN1042-RRN1042

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