阅读下面短文，根据要求完成下列问题。

    Animals traveling from one country to another have to follow laws, just as people do. They don't have

passports, but they have to obey other rulers. Most countries have laws about animals coming into their country.

The laws were made to stop the spread of illnesses that animals carry. Traveling animals include cats and dogs

going with their owners on trips. Others are rare animals going to zoos. Some are birds and fish on their way to

pet shops. 

    Some animals can't go into a country if their owners can't prove that they have been vaccinated (接种疫苗)

against certain illnesses. Others must be studied by animal doctors. Sometimes animals must spend a month or

more in a special place before they can enter a country. There, they are kept away from other animals before it is

certain that they do not have illnesses. Only the people who can look after the animals can go near.

    There are many different laws in each country. Anyone who wants to take a pet to another country should

check with the government first. Laws are good for both people and animals.

根据上面短文内容，回答下列问题。

1. What must follow most countries' laws?

    __________________________________.

2. Why did these countries make these laws?

    ___________________________________.

3. Is the dog at my home called the traveling animal?

    ___________________________________.

4. What can these animals do if their owners can prove that they are healthy?

    ___________________________________.

5. How long must animals stay in a special place before they can entre a country?

    ___________________________________.