Abstract
This review serves to summarize available information, to the moment, regarding the coronavirus and the central nervous system. through a Systematic Bibliographic Review of studies extracted from the following journals: NCBI, PubMed, The Lancet, and New England Journal of Medicine, written in English or Portuguese on the period of 2019 to 2022. The research approached a total of 801 articles. After reading the titles and abstracts, were excluded those that restrict their focus to patients previously neurologically affected. Overall, 162 papers were fully read, including those that exposed patients with neuropsychiatric symptoms and emphasized cognitive impairment after infection of SARS-Cov-2. The main focus of this review is the phenomenon that may affect the parenchyma, the brain fog. It refers to the great inflammation caused by the virus that can damage the brain not only in the activated viruses’ phase but also after its resolution by the body. This mechanism is probably related to neurodegenerative diseases and can be the cause of cognitive disorders' incidence after the pandemics.
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