Zika, a mosquito-borne virus first identified in 1947 in a Rhesus macaque monkey, continues to perplex scientists in many ...

But there are a few species that, when they bite, can cause serious symptoms. At first, a brown recluse spider bite may look like a bug bite or bee sting. It can be a small, raised red or purplish ...

While not common, bug bites can occasionally cause bruising ... Mosquitoes are perhaps best known for leaving behind small, red bumps that are extremely itchy. Sometimes, these bumps may also ...