The mucosal immunity of the respiratory tract in COVID-19 convalescent healthcare professionals
Nadezda Kryukova, Natalia Abramova, Ekaterina Khromova, Valeria Zakharova, Svetlana Skhodova, Irina Bisheva, Aleksandra Vinnitskaya, Mikhail Kostinov, Irina Baranova, Oxana Svitich, Alexander Chuchalin
European Respiratory Journal Sep 2021, 58 (suppl 65) OA4307; DOI: 10.1183/13993003.congress-2021.OA4307