1) It is partly because of people's awareness of dangerous viruses.

2) Vietnam has much fewer cases of Coronavirus to other wealthier countries because:

 + Vietnamese know exactly the danger of this disease.

 + We have the habit of wearing face masks.

 + The government and law enforcement always have the instruction of how to solve problems.

 ............

2. Why coronavirus is so dangerous that it becomes a pandemic?

3. Why Vietnam has much fewer cases of coronavirus compared to other wealthier countries?

dịch câu hỏi 

2. Tại sao coronavirus nguy hiểm đến mức trở thành đại dịch?
3. Tại sao Việt Nam có ít ca nhiễm coronavirus hơn nhiều so với các nước giàu có khác?

trả lời câu hỏi 

2.  because this virus has spread so much to other countries. for America it is a serious problem. In our country, I do not die much, but there are many infected people, up to hundreds, thousands of people in our country, so it has become a pandemic.

3.   Because our country has devised ways to prevent and cure sick people.

            chúc anh ( chị ) học tốt !!!!!!!!.