16 July 2021. Number of COVID-19 cases suddenly ballooning in Cambodia. Cambodia has detected more imported cases of the Delta variant and that is the reason why border measures including testing, strict isolation and quarantine remain vital.https://www.khmertimeskh.com/50894747/ministry-of-health-its-red-line-for-covid-19-drawn-in-the-sand-when-deaths-cross-four-digits/