Yes, as one of the authors said on Twitter, this doesn't prove anything about the effects on SARS-CoV-2 immunity, but it is suggestive: "Whether this immunity

Yes, as one of the authors said on Twitter, this doesn't prove anything about the effects on SARS-CoV-2 immunity, but it is suggestive: "Whether this immunity is relevant in influencing clinical outcomes is unknown, but it is tempting to speculate that the crossreactive CD4+ T cells may be of value in protective immunity, based on SARS and flu data." https://twitter.com/profshanecrotty/status/1261052353773363200 https://twitter.com/profshanecrotty/status/12610523537733632...