The development of Mass Media Television

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Smallpox disease ever Dangerous in the World

In this world many types of diseases. And among the diseases that there are some dangerous disease. Even lead to a lot of people died because of the disease. But do you know what the disease was once considered the most dangerous in the world. Here's a dangerous disease in the world: Smallpox Have you ever heard of smallpox ??? Smallpox is a disease that is contagious and dangerous in his time for humans , the disease is caused by either of two virus variants , Variola major and Variola is...

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