Correction: An Open Receptor-Binding Cavity of Hemagglutinin-Esterase-Fusion Glycoprotein from Newly-Identified Influenza D Virus: Basis for Its Broad Cell Tropism

• Hao Song, 
• Jianxun Qi, 
• Zahra Khedri, 
• Sandra Diaz, 
• Hai Yu, 
• Xi Chen, 
• Ajit Varki, 
• Yi Shi, 
• George F. Gao