( CNN ) -- As fear about the spread of Ebola continues , U.S . Ambassador to the United Nations Samantha Power says she 'll be following standard health protocol following her return from Africa . Power tweeted pictures of herself Friday morning being screened at the airport upon arrival in the U.S . The tweet also says that she 'll be monitoring her health for 21 days , as per guidelines from the Centers for Disease Control and Prevention . She visited Ghana in an attempt to generate international support for fighting the virus . `` There is fear out there about what Ebola is and the people of Liberia have experienced this firsthand , '' Power said in a speech while there . `` Fear and misunderstanding and incomplete understanding of the science impeded the early days of the response . '' For those traveling overseas to areas of Africa where Ebola runs rampant , the CDC advises a self-monitoring period of 21 days and seeking medical care immediately if any of the symptoms -- like a strong fever , headache or vomiting -- are displayed . Power has said she will `` obey the law and whatever requirements are in place . ''
U.S . Ambassador to the UN Samantha Power tweets a picture of airport Ebola screening . She returns to the U.S. after a trip to Ebola-affected regions of Africa . Only one person in the U.S. is currently being treated for the virus .