" Drama Series’s carcass was unceremoniously carted away, by the usual contract hauler, to the dump where dead Brisbane horses routinely go. Her cause of death remained uncertain. Had she been bitten by a snake? Had she eaten some poisonous weeds out in that scrubby, derelict meadow? Those hypotheses crumbled abruptly, thirteen days later, when her stable mates began falling ill. They went down like dominoes. This wasn’t snakebite or toxic fodder. It was something contagious "

― David Quammen , Spillover: Animal Infections and the Next Human Pandemic