Jalan Kartika Plaza No.90, Kuta, Badung Regency, Bali, Indonesia

What is Yellow Fever ?

Our clinic is located in the heart of the Kuta area and is within the reach of the tourist areas of Seminyak and Nusa Dua.

Nice to Know

What is Yellow Fever ?

by Dhani Anggara, MD



Yellow fever is a hemorrhagic condition that can lead to a high fever, bleeding into the skin, and cell death in the liver and kidneys. If enough liver cells die, liver damage occurs, leading to jaundice, a condition in which the skin takes on a yellowish color.


Fast Facts on Yellow Fever

Here are some key points about cold yellow fever. More detail and supporting information is in the main article.

  • Yellow fever is transmitted by mosquitoes.
  • It can cause a high fever and organ damage, and it can be fatal.
  • There is no specific treatment, so people will receive supportive care.
  • Travelers to affected areas should check if they need a vaccine before they travel.
  • Some countries will not allow a traveler to enter without an immunization certificate.



In the past, yellow fever devastated communities, including those in the United States (U.S.) and Europe. In the middle of the 20th century, scientists developed a safe and effective vaccine that prevents yellow fever.

  • Vaccination
  • Protection from mosquitos


Yellow Fever Symptoms

Yellow fever gets its name from two of its most obvious symptoms: fever and yellowing of the skin. The yellowing occurs because the disease causes liver damage, hepatitis. For some people, yellow fever has no initial symptoms, while for others, the first symptoms appear from three to six days after exposure to the virus from a mosquito bite.

An infection with yellow fever typically has three phases. The first phase of symptoms can last for three to four days and then, for most people, disappears. The first phase is generally non-specific and cannot be distinguished from other viral infections.


The initial symptoms of yellow fever are:

  1. Fever and chills
  2. Flu-like symptoms such as muscle aches, headache, and vomiting
  3. The next phase is remission, which lasts for 48 hours. Patients improve. The majority recover.

The third-phase symptoms of yellow fever can include:

  • Jaundice (liver damage), which causes yellowing of the skin and eyes
  • Hepatitis (inflammation of the liver)
  • Internal bleeding (hemorrhaging)
  • Vomiting blood
  • Shock
  • Multisystem organ failure leading to death


How Is Yellow Fever Diagnosed?

Yellow fever is diagnosed by your symptoms, recent travel activity, and blood tests. Yellow fever symptoms can mimic symptoms of other tropical disease such as malaria and typhoid, so call your doctor if you have symptoms of yellow fever and have recently traveled to a high-risk country.



There is no effective antiviral medication to treat yellow fever, so treatment consists of supportive care in a hospital.

This includes providing fluids, oxygen, making sure blood pressure is adequate, replacing lost blood, kidney dialysis if there is kidney failure, and treating any secondary infections.

Some patients may be given plasma transfusion to replace proteins that help with clotting.

The patient should be kept away from mosquitoes. If a mosquito bites the patient, they will become infected and then pass the disease on to other people.

They should not use aspirin and non-steroidal anti-inflammatory drugs (NSAIDs) because of the risk of bleeding.

Endemic Area of Yellow Fever

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