Emergence of smallpox is recent, claims study
Till now, it was thought to have appeared in human population thousands of years ago in ancient India, China and Egypt but this study has furnished a fact that is otherwise.
Dec 09, 2016, 17:38 PM IST
Till now, it was thought to have appeared in human population thousands of years ago in ancient India, China and Egypt but this study has furnished a fact that is otherwise.
Dec 09, 2016, 17:38 PM IST