First Aid & Injuries CenterBrown Recluse Spider BiteMost spiders are absolutely harmless to humans. In fact, of the 20,000 different species of spiders that inhabit the Americas, only 60 are capable of biting humans. Within that small group, only four are known to be dangerous to humans: the brown recluse, the black widow, the hobo or aggressive house spider, and the yellow sac spider. Within this select group, only the brown recluse and the black widow spider have ever been associated with significant disease and very rare reports of death. See the complete A-Z list of all the first aid related information or browse the current list of select resources. First Aid, Injury, & Emergency Related ResourcesFirst Aid & Injury Articles
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