The most dangerous creatures for humans

Kissing bugs:
In so doing, they can leave behind droppings infected with the parasite that causes Chagas disease, as well as several bacteria and virus species.

Mosquitoes:
Historians estimate half of all people that ever lived were killed by mosquitoes, largely due to their ability to pass on disease.

Snakes:
About 200 of the world’s 600 venomous snake species are considered truly dangerous to humans.

Sand flies:
Some pack an outsized punch by infecting humans with Leishmania parasites, a group of deadly. 

Rats:
Rodents have thrived through the ages, largely because they have tied their fortunes to humans.

Scorpions:
Scorpions are masters of the surprise sting thanks to their propensity for seeking out hidden corners in human homes.

Humans:
We are our own worst enemies. With nearly eight billion humans on the planet, most packed into tight quarters, we excel at harming one another. 

Hymenoptera:
A group of stinging insects that includes bees, wasps, hornets and stinging ants (Hymenoptera) are considered as the most beneficial and dangerous insects to mankind.

Helminths:
Helminths are a group of parasitic worms that includes hookworms, roundworms, whipworms, flukes and tapeworms.

Cats:
Cat bite injuries are so dangerous that one in three can result in serious infection and hospitalization, with sometimes devastating complications.

Dogs:
In the United States, dogs bite over four million people each year, and kids under the age of four are the most likely to be killed in an attack. 

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