COVID‐19(8) COVID‐19(7) SARS‐CoV‐2(7) SARS‐CoV‐2(6) manifestation(5) Brain(4) Factor(4) brain network(4) mechanism(4) default mode network(4) Patient(4) resting‐state functional MRI(4) Inflammation(4) Recuperation(4) CNS(4) herpes zoster(4) SARS‐CoV‐2 infection(4) coronavirus(3) caused(3) subgroup(2) Neuron(2) cellular and molecular(2) Cytokine storm(2) hazard ratio(2) Neurological deficit(2) intensive care(2) multivariable model(2) expected(2) progression(2) blood–brain barrier(2)