SARS-CoV-2 RBD-specific and NP-specific antibody response of healthcare workers in the westernmost Austrian state Vorarlberg: a prospective cohort study oleh Alois Lang, Axel Muendlein, Heinz Drexel, Lukas Sprenger, Andreas Leiherer, Michele Atzl, Thomas Winder, Peter Fraunberger, Eva-Maria Brandtner, Kathrin Geiger, Miriam Klausberger, Mark Duerkop, Beatrix Mutschlechner, Andreas Volgger, Magdalena Benda, Luciano Severgnini, Johannes B Jaeger