NDRG2 and neurodegenerative disease: The downregulated DETs of Sept4, Kcng4, Unc13c, and Prkcg in the WH6 group, which are related to synaptic transmission, and Ndrg2 and Arc in the LHG group, which are related to neurodegenerative diseases, were selected to be the key candidates in the latent infection phase.