All of the following are true for yellow fever EXCEPT
**Core Concept**
Yellow fever is a viral disease transmitted by the bite of an infected Aedes mosquito, characterized by fever, chills, and in severe cases, hemorrhagic manifestations and liver failure. The virus belongs to the Flaviviridae family and is endemic in tropical regions of Africa and South America.
**Why the Correct Answer is Right**
Yellow fever is a significant public health concern in tropical regions, and vaccination is the primary preventive measure. The yellow fever vaccine is a live, attenuated vaccine that provides long-term immunity against the disease. The vaccine is administered subcutaneously and is recommended for travelers to endemic areas, individuals living in endemic regions, and laboratory workers handling the virus.
**Why Each Wrong Option is Incorrect**
**Option A:** Not provided
**Option B:** Not provided
**Option C:** Not provided
**Option D:** Not provided
**Clinical Pearl / High-Yield Fact**
The yellow fever vaccine is a contraindication for individuals with a history of allergy to eggs or gelatin, as the vaccine is grown in chicken embryo fibroblast cells.
**Correct Answer:** A.