Latent Cranial nerve viral DNA Virus moves up cranial nerve. Brainstem The initial infection in children causes cold sores and sometimes sore throat. The virus then moves along a sensory cranial nerve to nerve ganglia near the brain, where it becomes latent. (a) Virus becomes latent after initial infection Reactivation of virus in neuron Virions move down cranial nerve. The latent virus is reactivated, moves back along the sensory nerve to the face and causes cold sores again. (b) Activation of latent virus FIGURE 13.17 Infection Cycle of Herpes Simplex Virus, HSV-1

Latent Cranial nerve viral DNA Virus moves up cranial nerve. Brainstem The initial infection in children causes cold sores and sometimes sore throat. The virus then moves along a sensory cranial nerve to nerve ganglia near the brain, where it becomes latent. (a) Virus becomes latent after initial infection Reactivation of virus in neuron Virions move down cranial nerve. The latent virus is reactivated, moves back along the sensory nerve to the face and causes cold sores again. (b) Activation of latent virus FIGURE 13.17 Infection Cycle of Herpes Simplex Virus, HSV-1

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter37: Immunity

Section: Chapter Questions

Problem 2DAA

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