Deadly Fungus Turns Ants Into Zombies

Voodoo magic was an unlikely source of zombies—but could science and medicine explain them? Davis wrote several books on the topic, including The Serpent and the Rainbow, later made into a horror film by director Wes Craven. Though the book was a public success, many scientists were skeptical of Davis’s claims, suggesting that they were exaggerated and that the amounts of neurotoxin in the powder samples he found were inconsistent and not high enough to induce the zombifying effects. While in theory the zombie power might work under certain ideal conditions, in the real world it would be very difficult to create a zombie with it; too little of the toxin would have only temporary effects, and too much could easily kill its victim.

Pharmacological doubts aside, there are other reasons to doubt the claim that people had for decades been turned into zombie slave labor. For one thing, the very process that would turn people into zombies (assuming it didn’t kill them) would leave them brain-damaged, uncoordinated, and slow — in other words, hardly ideal farm workers.
Furthermore, the economics of zombie-making don’t make sense: Haiti is the poorest country in the Western Hemisphere, with no shortage of very cheap labor to work farms and plantations. In a country where the average annual income is less than $2,000 there are plenty of able-bodied, non-zombified people willing to work for almost nothing. Unpaid zombie workers would still need to be clothed, housed, and fed, negating most of the potential profit from using them. And, of course, the sugar plantations allegedly filled with fields of zombies have never been found.