supported by grants from the National Natural Science Foundation of China (No. 30970160);the Major Science and Technology Project for Infectious Disease (No. 2008ZX10004‐001; 2009ZX10004‐705);the Development Grant of the State Key Laboratory for Infectious Disease Prevention and Control (2008SKLID105)
Heparan sulfate (HS) is ubiquitously expressed on the surfaces and in the extracellular matrix of virtually all cell types, making it an ideal receptor for viral infection. Compared with wild‐type viruses, cell cul...