25 October 2021. The latest COVID-19 cluster in the northern Vietnamese province of Phu Tho has caused 395 positive cases, including 80 workers in two industrial parks. All people who are close contacts have been suspended from work and placed in quarantine.https://tuoitrenews.vn/news/society/20211025/in-northern-vietnam-80-factory-workers-of-13-companies-diagnosed-with-covid19/63775.html