The brand-new Delta branch dispersing in Sri Lanka has actually been formally called as AY.28, a pen name of the Sri Lanka family tree which is B. 1.617.2.28.
Dr. Chandima Jeewandara, the head of the Division of Immunology as well as Molecular Biology at the Sri Jayewardenepura College specified this in a Twitter message. ( TrueCeylon)
— Chandima Jeewandara (@chandi2012) September 26, 2021