Are black widows deadly to humans?

Black Widow Spider Bites The female black widow spider, though it is the most venomous spider in North America, seldom causes death as it injects a very small amount of poison when it bites. Reports indicate human mortality at well less than 1% from black widow spider bites. read more

Black widow's bite. According to National Geographic, black widows are considered the most venomous spider in North America. Their venom is reported to be 15 times stronger than a rattlesnake's, according to NCSU. Black widows are highly poisonous; fortunately, they bite humans only when disturbed. read more

While these spiders' bites can cause fatalities in humans, they rarely do, according to the National Institutes of Health, which states that fatalities from black widow bites typically occur among young children, the elderly and those who are extremely ill. "Yes, black widows are venomous, but they pose very little danger to humans," Scott said. read more