No Borders for Pathogens
For centuries, human beings have spread diseases long distances through their travels. Yellow fever and the mosquitoes that transmit it, for instance, are thought to have originated in Africa and been introduced to the
The 1918 influenza pandemic illustrates how contagious diseases can spread throughout the world. More recently, West Nile virus, a mosquito-borne pathogen commonly found in Africa, West Asia, and the Middle East, has stricken people with serious illness in the
And let's not forget about HIV, which is believed to be of African origin. HIV-associated nephropathy is a clinical entity seen with increasing frequency by nephrologists.
As global travel increases, it is likely American clinicians will see more exotic diseases in
Imported dengue is also diagnosed from time to time. From 1977 to 2004, more than 3,800 suspected cases of dengue—another mosquito-vectored viral illness—were reported in the
Two articles in this issue underscore the potential for international travel and immigration to bring exotic diseases from faraway places to our doorstep. One report discusses the pros and cons of screening for solid organ donors for
So far, two multiple-transplant recipients have acquired