Emerging Infectious Disease ISSN: 1080-6059
Volume 13, Number 2—February 2007
Research
Imported Infectious Disease and Purpose of Travel, Switzerland
Appendix Figure

Appendix Figure. Illness rates in persons whose purpose of travel was visiting friends and relatives (VFR) versus traditional travelers (travelers). Points indicate number of illnesses per 1,000 ill returned travelers.
Lessons from the History of Quarantine, from Plague to Influenza A
Length: 23:11





