Abstract(4) coronavirus(4) Perceptual dysfunction.(3) variant(3) Cotard's Syndrome(3) Perceptual dysfunction(3) B.1.1.7 variant(3) first episode(3) Infection(3) Neuropsychiatric symptoms(3) New(3) B.1.1.7(3) dysfunction(3) Symptom(3) COVID-19(2) SARS-CoV-2(2) Psychosis(1) viral replication(1) Potential treatment(1) clozapine(1) Replication(1) Clathrin-mediated endocytosis(1) sedative(1) Schizophrenia(1) schizophrenia.(1) viral replication.(1) pandemic(1) Viral(1) Sedative medication(1) toxicity.(1)