Add to Lightbox
Herpes Simplex Virus, the causative agent of fever blisters. HSV infections may become latent after an episode but persist in ganglia at the floor of the brain and re-emerge when conditions are right. TEM
Dr. Fred Murphy/Visuals Unlimited, Inc.
all images © Visuals Unlimited
Visuals Unlimited, Inc. specializes in, microscopy, healthcare, medical, wildlife, underwater, agriculture, and science stock photography.