Quantitation of norovirus-specific IgG before and after infection in immunocompromised patients - Suliman Qadir Afridi; Hassan Moeini; Behnam Kalali; Jochen Martin Wettengel; Oliver Quitt; Raphaela Semper; Markus Gerhard; Ulrike Protzer; Dieter Hoffmann (Brazilian Journal of Microbiology, 2020)