Yellow fever is an acute and often fatal viral disease categorised as a haemorrhagic fever. Spread by mosquitoes. In addition to fever and nausea, the disease can cause renal and hepatic failure as well as hemorrhaging. Yellow fever is found in tropical regions, particularly outside urban areas, and in the jungles and savannahs of Africa, Central America and South America. Some countries require visitors to present certificate of yellow fever vaccination on entry. The vaccine is not included in the National Vaccination Programme. The vaccine can be purchased by prescription from pharmacies and medical centres.

• Lääkeinfo.fi: Stamaril (in Finnish)
• FVR – Finnish Vaccine Research: Keltakuume (in Finnish)
• THL, Traveller’s Health Guide: Yellow fever (in Finnish)
• WHO, Fact sheet: Yellow fever