Contributing Editor
- Professor Emeritus of Infectious Diseases, University of Alabama at Birmingham
- Director, Gorgas Course in Clinical Tropical Medicine (1995-2015)
- Managing Senior Director, Shoreland Inc. (Provides clinical decision support tools in vaccinology and other areas for travel medicine practitioners in all practice settings) (1997-2022)
Areas of Special Interest
- All facets of Infectious Disease with emphasis on clinical tropical medicine parasitology, and travelers' health including vaccinology.
- Development of surveillance networks to characterize infectious disease morbidity in travelers and migrants.
Professional Recognition & Appointments
- Member, World Health Organization SAGE Working Group on Chikungunya Vaccines
- Associate Editor of the Emerging Infectious Diseases Journal
- Associate Editor of the CDC Yellow Book (Health Information for International Travel)
- Section Editor of the Journal of Travel Medicine
- Member Roster of Experts, International Health Regulations, World Health Organization
- Founded the University of Alabama's Travelers Health Clinic in 1989
- Past-President, Clinical Group American Society of Tropical Medicine and Hygiene
- Past Secretary-Treasurer of the International Society of Travel Medicine
- Co-Editor of the Textbook of Travel Medicine, Editions 1-3
- Co-Founder and Past Director of the global GeoSentinel Surveillance Network
- Co-Author of the Clinical Practice Guidelines on Travel Medicine – Infectious Disease Society of America
- Former member of the VA Merit Review Infectious Diseases Study Section
- Past Chair of the Advisory Panel on Parasitic Diseases of the US Pharmacopeia
- Former Councilor of the American Society of Tropical Medicine and Hygiene
- Best Doctors in America list, American Health (2005-2020)
- 2010 Honor Award Recipient - National Center for Emerging and Zoonotic Infectious Diseases
Publication Highlights
Published 125 articles in peer reviewed journals including:
- Chikungunya vaccines for travelers: unanswered pragmatic questions persist J Infect Dis 2026, jiag284
- Asheville, North Carolina: the origin of the American tuberculosis sanitarium movement Ann Intern Med 2026, 179:118
- A new non-live chikungunya vaccine for travellers J Travel Med 2025, 32:taaf039
- First immunogenicity and safety data on live chikungunya vaccine in an endemic area Lancet Infect Dis 2025, 25:11
- Edging towards a third dengue vaccine Lancet Infect Dis 2024, 24:1182
- In-flight transmission of SARS-CoV-2: a review of the attack rates and available data on the efficacy of face masks J Travel Med 2020, 27:taaa178
- Isolation, quarantine, social distancing and community containment: pivotal role for old-style public health measures in the novel coronavirus (2019-nCoV) outbreak J Travel Med 2020, 27:taaa020
- Vaccines for international travel Mayo Clin Proc 2019, 94:2314
- Updated Zika virus recommendations are needed Lancet 2018, 392:818
Education
- McGill University (BSc Honors)
- University of Toronto (Medical School)
- McGill University and National Institutes of Health (Residency and Fellowship)
- National Institute of Allergy and Infectious Diseases - Laboratory of Parasitic Diseases (Post-doctoral training)