Real-world study of vaccine effectiveness decline against SARS-Cov-2 Delta variant in COPD patients
Lorinc Polivka, István Valyi-Nagy, Zoltán Szekanecz, Krisztina Bogos, Hajnalka Vago, Anita Kamondi, Ferenc Fekete, Janos Szlavik, Gyorgy Surjan, Orsolya Surjan, Peter Nagy, Zsuzsa Schaff, Cecilia Muller, Zoltan Kiss, Miklos Kasler, Veronika Muller
European Respiratory Journal Sep 2023, 62 (suppl 67) PA1023; DOI: 10.1183/13993003.congress-2023.PA1023