@article{:/content/10.2807/1560-7917.ES.2021.26.39.2100902, author = "Mazur-Panasiuk, Natalia and Rabalski, Lukasz and Gromowski, Tomasz and Nowicki, Grzegorz and Kowalski, Michal and Wydmanski, Witold and Szulc, Piotr and Kosinski, Maciej and Gackowska, Karolina and Drweska-Matelska, Natalia and Grabowski, Jakub and Piotrowska-Mietelska, Anna and Szewczyk, Boguslaw and Bienkowska-Szewczyk, Krystyna and Swadzba, Jakub and Labaj, Pawel and Grzybek, Maciej and Pyrc, Krzysztof", title = "Expansion of a SARS-CoV-2 Delta variant with an 872 nt deletion encompassing ORF7a, ORF7b and ORF8, Poland, July to August 2021", journal = "Eurosurveillance", year = "2021", volume = "26", number = "39", eid = 2100902, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2021.26.39.2100902", doi = "https://doi.org/10.2807/1560-7917.ES.2021.26.39.2100902" }