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Alternative forms of penile foreskin cutting and HIV infection in Papua New Guinea
  1. Kathleen E Wirth
  1. Correspondence to Kathleen E Wirth, Department of Epidemiology and Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, 677 Huntington Avenue, Boston, MA 02115, USA; kwirth{at}

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I read with concern the manuscript by MacLaren et al1 which states: “Alternative forms of penile foreskin cutting may be associated with reduced HIV infection risk in Papua New Guinea.” Using data described in the manuscript, I was able to exactly replicate the authors’ primary numerical finding. However, the results of additional analyses not reported in the manuscript directly conflict with the key message regarding a …

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