MicrobiologybioRxiv
The 2009 pandemic H1N1 hemagglutinin stalk remained antigenically stable after circulating in humans for a decade
S. R. Christensen, E. T. Martin, J. Petrie…·S. E. Hensley
The paper investigates whether the HA stalk of the 2009 pandemic H1N1 virus has undergone antigenic drift over a decade and finds it remains antigenically stable.
DOI 10.1128/jvi.02200-21