According the the Centers for Disease Control (CDC), the yellow fever vaccine (YF-Vax) has recently become very hard to come by.
What Is Yellow Fever?
Similar to West Nile Virus, Yellow fever is a tropical retrovirus carried by mosquitoes. It can cause fever, chills and more severe symptoms after a period of time including jaundice. The symptom of jaundiceÂ Â yellow coloration of the skin due to the rise in production of bilirubin created in the liver is behind the term "Yellow Fever."
The majority of people infected with the virus experience very mild illness or no illness at all. There's also an effective vaccine that usually pretty easy for travelers to get their hands on.
A Dangerous Shortage?
Sanofi Pasteur, the company thatÂ manufacturers the vaccine, reported a shortage of the vaccine due to production problems but expected to resolve the problem in January. Deficits persist, however, and rationing is expected to continue through April, which could cause a lot of problems for world travelers.
Those who are considering heading abroad any time soon should definitely consult the CDC's Traveler's Health website for news and other information related to vaccines.