Mouth Sores in Herpes Simplex Virus Infection
This close-up of a newborn's mouth shows sores on and under the upper lip caused by herpes simplex virus.
DR P. MARAZZI/SCIENCE PHOTO LIBRARY
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This close-up of a newborn's mouth shows sores on and under the upper lip caused by herpes simplex virus.
DR P. MARAZZI/SCIENCE PHOTO LIBRARY