28 November 2021. The World Health Organisation (WHO) in Cambodia warned that the two newly-flagged variants of SARS-CoV-2 – the coronavirus that causes Covid-19 – formally known as B.1.640 and B.1.1.529 (Omicron) could possibly reach Cambodia soon. The Ministry of Health has also urged public vigilance ahead of its potential arrival.https://www.phnompenhpost.com/national/ministry-who-warn-omicron-variant