This Wikipedia page is probably the best English language resource about all things coronavirus in Viet Nam: 2020 coronavirus pandemic in Vietnam. It’s updated on a daily basis. For information directly from the Ministry of Health, follow this link. Look for the number of infections (in red) under Số ca nhiễm and the number of those who have recovered (in green) under Bình phục.
Here are some articles about COVID-19 and Viet Nam, including four of mine – in descending chronological order.
Vietnam: a COVID-19 success story (18.5.20)
Take care & stay healthy!
Shalom (שלום), MAA