The Best Seasons of The world's worst diseases
Every season of The world's worst diseases ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of The world's worst diseases!
Typhus, malaria, polio and measles - throughout history, humanity has been affected by terrible, contagious and sometimes fatal diseases. Erik Ekstrand takes us on a terrifying journey where he lets two guinea pigs try out
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