Enhanced immune responses following heterologous vaccination with self-amplifying RNA and mRNA COVID-19 vaccines. - Elliott, Tamara; Cheeseman, Hannah M.; Evans, Abbey B.; Day, Suzanne; McFarlane, Leon R.; O'Hara, Jessica; Kalyan, Mohini; Amini, Fahimah; Cole, Tom; Winston, Alan; Fidler, Sarah; Pollock, Katrina M.; et al. (PLoS Pathogens, 2022)