mn ơi giúp với

It is simple to propagate viruses today, which are getting more prevalent worldwide. There are several effective techniques to avoid viruses. Exercise regularly is the most efficient strategy. It is also rather expensive, but it is for your safety. Next, when in a crowded area, you should wear a mask. Masks are available in all local medicine stores. Last but not least, often washing your hands can be very helpful, especially before eating.