HIV/AIDS

Diarrhea (C. difficile - associated diarrhea and antibiotic-associated diarrhea)

Pneumonia (community-acquired).

Anaerobic infections

Clinical Interests:

HIV primary care

General Infectious Diseases

HIV and Hemophilia

HIV Managed Care

Founding Director, Center for Civilian Biodefense Strategies, HIV/AIDS,

Diarrhea (C. difficile - associated diarrhea and antibiotic-associated diarrhea)

Pneumonia (community-acquired),

Anaerobic infections,

HIV primary care

General Infectious Diseases

HIV and Hemophilia

HIV Managed Care

292 peer-reviewed articles

78 non-peer reviewed articles

256 chapters, reviews and letters

13 books, (41 editions)

Editorial Boards:

Infectious Diseases in Clinical Practice - Editor

The Hopkins HIV Report - Editor

European Journal of Clinical Microbiology and Infectious Diseases

Anaerobe

Clinical Infectious Diseases

Medicine - Associate Editor

Antimicrobial Agents and Chemotherapy

American Journal of Medicine

Diagnostic Microbiology and Infectious Diseases

Journal of Clinical Illness

Microecology and Disease