Multiple online posts shared thousands of times urge people to remove geckos from their homes because they are allegedly dangerous and carry deadly bacteria. The claim is false and experts say not only are geckos safe, but they control the spread of insects and bugs that are otherwise a domestic nuisance.
Although the claim varies from post to post, the message is essentially the same: wall or house geckos should be killed because they are dangerous. This danger supposedly stems from geckos carrying lethal germs.
Take this Facebook post here, shared more than 42,000 times, which warns that toothbrushes left out overnight are at risk of "toxic" bacterial contamination if licked by a "lizard". The image it uses is of a gecko.
A screenshot of a Facebook post taken on March 4, 2020, wrongly claiming that geckos are dangerous
Another version of the claim here describes how an unnamed family from an undisclosed country supposedly died after eating soup that contained the remains of a gecko which had climbed into the pot where its poison "leached" into the food.
A screenshot taken on March 4, 2020, from a website that claimed a family died from eating soup poisoned by a gecko
Meanwhile, posts like these here and here cobble these versions of the claim together and add a third -- that geckos crawl into kettles and poison the water.
A screenshot taken on March 4, 2020, from a Facebook post that claims geckos can also poison kettle water
Finally, these two pest control businesses here and here offer equally strident views about the dangers of geckos and advise they be eradicated.
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What the experts say
The claims are false and the truth is that geckos pose no threat to people, according to two experts contacted by AFP.
Dr Jeanne Tarrant, programme manager for the Threatened Amphibian Programme at the Endangered Wildlife Trust in South Africa, said in an email that geckos are not harmful to humans and "actually provide a service by eating insects and spiders around your house".
"Humans and house geckos have been living alongside each other for hundreds if not thousands of years, with no detriment to humans. It really would not be recommended to try and eliminate them from your home."
Professor Aaron M. Bauer, a biodiversity specialist at Villanova University in Pennsylvania, United States and a world authority on geckos -- he has a species named after him -- echoed Tarrant's comments.
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Biting, he said, is highly unusual in geckos and, in any event, nothing more than an unpainful nip on the off-chance you try to handle one.
Salmonella transmission is similarly unlikely, he explained. "Geckos, like many reptiles, can carry salmonella although such transmission is not common and it is easily avoided. Geckos are probably less likely to transmit salmonella than other reptiles that have larger, wetter faecal material.
"Regarding the toothbrush, if you found gecko faeces on it you should wash it off, just as you would if you found any foreign matter on it."
On the topic of salmonella, the Centers for Disease Control and Prevention offer tips here to avoid infection. One piece of advice is not to kiss lizards -- the same goes for "cats, dogs, chickens, turtles … or other pets and animals".
(Except for the headline, this story has not been edited by BOOM staff and is published from a syndicated feed.)
