The SARS-CoV-2 and mental health: From biological mechanisms to social consequences

Abstract

In December 2019, the first case of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2, COVID-19) infection was reported. In only few weeks it has caused a global pandemic, with mortality reaching 3.4%, mostly due to a severe pneumonia. However, the impact of SARS-CoV-2 virus on the central nervous system (CNS) and mental health outcomes remains unclear. Previous studies have demonstrated the presence of other types of coronaviruses in the brain, especially in the brainstem. There is evidence that the novel coronavirus can penetrate CNS through the olfactory or circulatory route as well as it can have an indirect impact on the brain by causing cytokine storm. There are also first reports of neurological signs in patients infected by the SARS-Cov-2. They show that COVID-19 patients have neurologic manifestations like acute cerebrovascular disease, conscious disturbance, taste and olfactory disturbances. In addition, there are studies showing that certain psychopathological symptoms might appear in infected patients, including those related to mood and psychotic disorders as well as post-traumatic stress disorder. Accumulating evidence also indicates that the pandemic might have a great impact on mental health from the global perspective, with medical workers being particularly vulnerable. In this article, we provide a review of studies investigating the impact of the SARS-CoV-2 on the CNS and mental health outcomes. We describe neurobiology of the virus, highlighting the relevance to mental disorders. Furthermore, this article summarizes the impact of the SARS-CoV-2 from the public health perspective. Finally, we present a critical appraisal of evidence and indicate future directions for studies in this field.

Psychiatric Manifestations of COVID-19 and Their Social Significance

“…In our opinion, and that of the investigators cited here, the answer would appear to indicate that there is, indeed, a correlation, discernable even at this early stage of COVID-19 research. In part, mental health problems may foster conditions that heighten a person’s susceptibility to the virus, such as compromised “self-control” and “self-care”, as well as a “lack of insight” into the danger posed by the virus; “they may be incapable of practicing infection control, therefore being vulnerable to the COVID-19 and its complications” [ 16 , 18 ] (and noted by [ 15 ]). Significantly, neurological disorders can be associated with proinflammatory phenomena as their underlying cause.…”

Walter Patrick Memorial Lecture: COVID Pandemic Public Health Consequences and Prospects and How It Will Change Public Health Education

“…The latter is due to stress over COVID and the disruption it has caused and more and more neurological consequences of COVID-19 infection are being reported. 17-19 This will require a global response, best coordinated through the WHO.…”

Virtual Reality as a Technological-Aided Solution to Support Communication in Persons With Neurodegenerative Diseases and Acquired Brain Injury During COVID-19 Pandemic

“…Moreover, to be consolidated and generalized, the learning process should be pursued across settings ( 9 , 10 ). Unfortunately, COVID-19 pandemic relevantly impeded the implementation and the realization of those conditions ( 11 , 12 ). In fact, by December 24, 2020, over 72 million of cases have been documented worldwide, with almost 1.7 million of deaths ( 13 , 14 ).…”