What Is Yellow Fever?
9. Diagnosis
The early symptoms of yellow fever are similar to many other diseases, so it will often be misdiagnosed to begin with. Your doctor may ask if you have been travelling and, if you have been travelling to certain parts of the world, they may request tests.
Yellow fever is relatively easy to diagnose with some simple tests. The doctor will likely ask for a small blood sample which can then be sent away to a lab for analysis. The blood of an infected person will likely contain antibodies that the body produces to beat the virus, while it might also contain the virus itself.
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