International travel and health.
World Health Organization.
Geneva : World Health Organization,
1989-
"Vaccination requirements and health advice."
Kept up to date by notes of amendments published in: Relevé épidémiologique hebdomadaire.
Vaccination
Vaccination
Travel
Medical geography
Communicable Disease Control
International Cooperation.
Travel.
Vaccination.
Medical geography.
Travel
Vaccination.
Vaccination
Reizen.
Vaccinatie.
Gezondheidsvoorlichting en -opvoeding.
Vaccination certificate requirements and health advice for international travel