Most spiders, and spider bites, are harmless. There are more than 40,000 species of spiders in the world — and only 12 of the 500 species that bite have venom strong enough to harm humans.

He underwent emergency surgery to remove infected tissue and was placed on a course of antibiotics ... the potential dangers ...

In addition, sometimes spider bites can become infected. To help prevent infection, wash the area well and apply an ...