According to the Ministry ofHealth, 177 patients have so far recovered, including six in Quang Ninh, Ha Namand Ninh Binh provinces on April 16.
Among 91 active cases, seventested negative once. Twenty nine others tested negative twice.
After the first case wasreported on April 16 morning in the northern mountainous province of Ha Giang,the province has been added to the list of localities at medium risk./.
