The single travel you should do a plan

First ,do body test before go out .especially for old ,weak, ill, deformity,
pregnancy, below these people should check whether you can finish travel by yourself. And it’s important to prove that whether you have enough knowledge with health protection, because this active is be responsibility for yourself and society.
You must remember : any concede is dangerous.
Second, layout a travel circuit diagram, and remark some information in sketch,do a new ,all-sided research so you can make a defend choice ,such as ague ,whether need to receive vaccinate………