Random Thursdays, Uncategorized The 5 Worst Plagues In Human History September 07, 2018 The biggest killers of humans in history are the smallest organisms on the planet. From the Bubonic Plague to Smallpox, Influenza, and AIDS, today we look at the 5 worst plagues in human history. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related Tags: answers with joe, Humans, Plague, plague history, random thursdays, worst plagues 1 likes SHARE About Joe Scott Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.