How Long Would it Take for Vampires to Annihilate Humanity?
If a vampire must feed on human blood, how long would it take... ...blood, how long would it take a certain number of vampires to wipe out the human population? And if those hu... ...lation? And if those human victims then turned to vampires , how soon would *strong class="...
https://www.neatorama.com/2015/10/27/How-Long-Would-it-Take-for-Vampires-to-Annihilate-Humanity/
