A single base-pair change in 2009 H1N1 hemagglutinin increases human receptor affinity and leads to efficient airborne viral transmission in ferrets.
March 2, 2011 | PLoS One
Karthik Viswanathan, Xiaoying Koh, Aarthi Chandrasekaran, Claudia Pappas, Rahul Raman, Aravind Srinivasan, Zachary Shriver, Terrence M Tumpey, Ram Sasisekharan