An estimated 4,500 people have died since the first cases of Ebola were detected in West Africa, and according to the World Health Organization, the disease could reach 10,000 cases per week.

>>> What the U.S. Must Do in West Africa to Stop Spread of Ebola There — And to Help Make Sure It Doesn’t Spread Elsewhere

In the United States, a Liberian man, Thomas Eric Duncan, died last week. Two nurses who contracted Ebola in Dallas are currently hospitalized in Atlanta and Bethesda, Md.

>>> Heritage Foundation Report: The Basics of Ebola

Officials from the Centers for Disease Control and Prevention and the White House have encouraged Americans not to panic, and during an address to the nation this week, President Obama reassured the country he was “absolutely confident” an outbreak could be prevented in the United States.

Here are the answers to 7 questions you’re probably asking about Ebola:

Infographic: Kelsey Harris

Infographic: Kelsey Harris