New COVID-19 cases rising again, particularly Omicron variant: health official The number of new COVID-19 cases is on the rise again, with those infected with Omicron variant making up the majority, and mainly concentrating in the northern region - where the season is changing, Prof. Phan Trong Lan, Director of the Health Ministry's Department of Preventive Medicine reported at a press conference on April 13. 08:18 | 14/04/2023
