cdc

According to this list, Vietnam is not in the 3 levels of travel restriction warning recommended by the Centers for Disease Control and Prevention (CDC) of US citizens.

According to the Centers for Disease Control and Prevention (CDC), instead of wearing masks, people should be alert to the symptoms and signs of corona virus.

The US Centers for Disease Control and Prevention (CDC) has issued guidelines on how to detect and treat this virus in children.

According to the US Centers for Disease Control (CDC), infection is the main cause of deaths in patients with influenza A / H1N1.