Differential and Time-Discrete SEIRS Models with Vaccination: Local Stability, Validation and Sensitivity Analysis Using Bulgarian COVID-19 Data

Mathematics (2023) - Comment
doi: 10.3390/math11102238 issn: 2227-7390 pubmed: 24710095

Svetozar Margenov, Nedyu Popivanov, Iva Ugrinova, Tsvetan Hristov