Spiders do not carry any diseases or viruses that can be spread to humans. And they do not leave any droppings or pieces of evidence that are hazardous to human health. However, there are 4 species of spider here in Virginia that are hazardous to humans due to their venom. 3 of these spiders are Black Widows, Brown Recluses, and Yellow Sac Spiders. Most spider bites look and feel like normal bug bites, with raised red bumps. However, if you are bit by one of these venomous spiders you will know immediately that something is off. These symptoms include sharp pain that spreads to other parts of the body, sweating, severe cramps fever, aches, joint pain, weakness, nausea, and ulcers near the bite If you encounter any of these spiders please call a Spider Control Professional.