Bekbolat Usserbayev, Yerbol Burashev, Nurlan Kozhabergenov, Assankadyr Zhunushov, Aibarys Melisbek, Meiіrzhan Shirinbekov, and Saken Khaidarov. “Detection of the SARS-COV-2 Virus Variant B 1.1 in the Republic of Kazakhstan”. Research Retrieval and Academic Letters, no. 1, Jan. 2023, https://ojs.scipub.de/index.php/RRAL/article/view/724.