Travelling could be a joyful experience, till you get sick on the tour. You will then feel like kicking yourself, because you did not take the necessary precautionary medicine to ensure that your journey was a good one.

In many countries today, if you have to leave the country and

enter another one, you need to provide documentary proof to say

Very Sick

that you have undergone a whole series of tests and preventive measures, so that you do not fall ill on the journey that you are about to undertake. There are countries who specify that this medicine or injection needs to be given by a registered medical practitioner and not just your local doctor.