The conversation between human and AI assistant.
[|Human|] Referring to the given source link, explain the significance of the story in one sentence.
[|AI|] The article highlights the efforts and struggles of the White House coronavirus task force in managing the unprecedented crisis, with insights from the head of the task force, Deborah Birx.
[|Human|] 
Referring to the given source link, explain the significance of the story in one sentence.