What is Yellow Fever ?
Yellow fever is a serious virus infection which is found in South America and parts of Africa. It is spread via a bite from an infected mosquito. It does not spread from one person to another.
Patients will display symptoms like fever, jaundice, flu-like illness, hemoptysis (vomit blood), bleeding from multiple sites, multi-organ failure (liver, kidney and lung failure) and also death. All patients infected with yellow fever need to be hospitalised.
It is preventable with yellow fever vaccine for travellers travelling to affected areas. The certificate of vaccination is valid from ten days post vaccination and up to ten years. This certificate if required for travellers to get to certain countries.
Other preventive measures to avoid mosquito bites include using effective mosquito repellent, stay in air-conditioned/ well-screened rooms and wear clothes that cover most parts of body.
Yellow Fever Vaccine
Yellow fever vaccine is a live weakened vaccine that is given as a shot, with a booster ten years later for those who are at continued risk/living in countries with cases of yellow fever virus. It is recommended for :
Contraindications to yellow fever vaccine
Side Effects of Yellow fever Vaccination
Major side effects are very rare. Minor side effects include fever, body ache, redness/swelling at site of injection with an occurrence of 25%. These minor side effects usually begin immediately after shot but can occur up to one week post vaccination.
Severe reactions are very rare; they include: