1. Who, what, when, where, why, and how? The unanswered questions of surgical antimicrobial prophylaxis

   • Titus L. Daniels
   • Thomas R. Talbot
   • William Schaffner

   Invited Commentary Pages: 83 - 85

2. Web alert

   News Pages: 86 - 87

3. Use of nitazoxanide for gastrointestinal tract infections: Treatment of protozoan parasitic infection and beyond

   • David A. Bobak

   OriginalPaper Pages: 91 - 95

4. Whipple’s disease

   • Klaus Mönkemüller
   • Lucía C. Fry
   • Peter Malfertheiner

   OriginalPaper Pages: 96 - 102

5. Probiotics and prebiotics for gastrointestinal infections

   • Joshua Novak
   • Jeffry A. Katz

   OriginalPaper Pages: 103 - 109

6. Does a single 2-gram oral dose of azithromycin treat early syphilis?

   • Noreen A. Hynes

   Clinical Trials Report Pages: 113 - 114

7. Rapid tests for sexually transmitted diseases

   • Charlotte Ann Gaydos

   OriginalPaper Pages: 115 - 124

8. A rapid review of rapid HIV antibody tests

   • Jeffrey L. Greenwald
   • Gale R. Burstein
   • Bernard Branson

   ReviewPaper Pages: 125 - 131

9. Extragenital manifestations of Neisseria gonorrhoeae

   • Steven E. Spencer
   • Margaret C. Bash

   OriginalPaper Pages: 132 - 138

10. Sexually transmitted diseases in older adults

    • Margaret-Mary G. Wilson

    OriginalPaper Pages: 139 - 147

11. Vaccination in patients with HIV infection

    • Todd D. Gleeson
    • Mark R. Wallace
    • Sybil A. Tasker

    OriginalPaper Pages: 151 - 161

12. Osteopenia and osteoporosis in patients with HIV: A review of current concepts

    • Todd T. Brown
    • Grace A. McComsey

    ReviewPaper Pages: 162 - 170