The news about the Ebola virus outbreak has people asking questions about the disease and their risks. Find out more.

Since news broke the American doctor who contracted the Ebola virus would be transported back to the U.S., many have wondered if this presents a danger for U.S. citizens. Here are 8 facts about the Ebola virus disease to help answer questions.

What is Ebola virus disease?

According to the CDC, the Ebola virus disease is an acute viral illness caused by three of five species within the Ebolavirus genius. Two of the species are capable of infecting humans but do not seem to cause symptoms. The other three cause varying degrees of illness - the most recent outbreak is the Zaire Ebola virus, the most deadly strain.

What are the symptoms?

Symptoms can take up to 21 days to appear and often start off with flu-like conditions - aches, abdominal fever, vomiting and diarrhea. This leads to dehydration, failure of the kidneys and liver and hemorrhaging. Since many diseases exhibit the same symptoms, blood tests need to be done for an accurate diagnosis.

How is it treated?

The virus cannot be directly treated. The best course of action is intravenous fluids to prevent dehydration, keeping the patient cool to prevent damage from the fever and pain relievers to help them be more comfort. Doctors also monitor oxygen levels and blood pressure. Unfortunately there is not currently a vaccine available for the disease.

What is the prognosis?

The prognosis is dependent on many factors, including the strain, quality of medical care and speed of diagnosis. Those with an early diagnosis have a better chance of survival. The death rate is anywhere from 50%-90%.

How does the virus spread?

The virus speeds when someone comes into contact with bodily fluids of someone who is infected. This is one of the major issues in treating patients as sweat, vomit and diarrhea are major symptoms of the virus.

Should I be worried?

Health officials claim the only reason for the massive outbreak is because the areas hardest hit lack sufficient health care and are unable to provide proper care.

What can I do to protect myself?

The average person can avoid the virus by avoiding areas of the world where outbreaks have happened. If you fear you've been exposed, wash your hands with warm soap and water and avoid touching your eyes, nose and mouth. If you have been exposed and start to feel symptomatic, isolate yourself immediately and call for medical assistance.

Have more questions?

Contact your local doctor or visit the CDC for the latest news on the outbreak, the American doctor's progress and other information.

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