Amino acid substitutions in the epitopes and non-epitopes of HA protein of influenza A(H1N1)pdm09 strains in Lincang, China, from 2014 to 2018.

Amino acid mutations were referred to A/California/07/2009. “.” showed that the amino acid site was the same as that of A/California/07/2009. “a” represented the receptor binding sites. “+” indicated the gain of a potential glycosylation site. “-” indicated the predicated deleterious mutations. (XLSX)