key: cord-0927916-jin0fdcm
authors: Kim, Sung-Wan; Su, Kuan-Pin
title: Using psychoneuroimmunity against COVID-19
date: 2020-03-29
journal: Brain Behav Immun
DOI: 10.1016/j.bbi.2020.03.025
sha: 4f47977f3202bca320c42ccbe3e0432c8bfab2f5
doc_id: 927916
cord_uid: jin0fdcm

Abstract The worldwide outbreak of coronavirus disease 2019 (COVID-19) raises concerns of widespread panic and anxiety in individuals subjected to the real or perceived threat of the virus. Compared to general populations, patients who are institutionalized in a closed unit are also very vulnerable to COVID-19 infection and complications. This crisis touched on difficult issues of not only psychiatric care and ethics, but also psychological impacts to psychiatric care givers. In this Viewpoint, we address both physical and biopsychosocial aspects of this infection, as well as the psychoneuroimmunity of preventive strategies of healthy lifestyle, regular exercise, balanced nutrition, quality sleep and a strong connection with people. Social distancing and wearing masks might help us from pathogen exposure, yet such these measures also prevent us from expressing compassion and friendliness. Therefore, all forms of psychological support should be routinely implemented not only to consider psychological resilience but also to enhance psychoneuroimmunity against COVID-19.

The worldwide outbreak of coronavirus disease 2019 (COVID-19) raises concerns of widespread panic and anxiety in individuals subjected to the real or perceived threat of the virus. Compared to general populations, patients who are institutionalized in a closed unit are also very vulnerable to COVID-19 infection and complications. This crisis touched on difficult issues of not only psychiatric care and ethics, but also psychological impacts to psychiatric care givers. In this Viewpoint, we address both physical and biopsychosocial aspects of this infection, as well as the psychoneuroimmunity of preventive strategies of healthy lifestyle, regular exercise, balanced nutrition, quality sleep and a strong connection with people. Social distancing and wearing masks might help us from pathogen exposure, yet such these measures also prevent us from expressing compassion and friendliness. Therefore, all forms of psychological support should be routinely implemented not only to consider psychological resilience but also to enhance psychoneuroimmunity against COVID-19.

The World Health Organization has declared that the outbreak of coronavirus disease 2019 (COVID-19) is a worldwide pandemic, raising concerns of widespread panic and increasing anxiety in individuals subjected to the real or perceived threat of the virus. Our life style and pattern are changing drastically and the effect of the COVID-19 pandemic is infiltrating every aspect of daily routines. Unlike infections such as the flu and other agents, media coverage has highlighted COVID-19 as a unique threat, which further exaggerates the panic, stress, and the potential for hysteria.

Compared to general populations, COVID-19 is more serious and fatal for elderly people and those with underlying physical illnesses and serious mental illnesses. Patients who are institutionalized in a closed unit are also very vulnerable population. In China, National

Health Center announced at 17 Feb 2020 that more than 300 patients with serious mental illness were infected with COVID-19 (http://www.nhc.gov.cn, 2020). In Korea, the first COVID-19 outbreak occurred at a local psychiatric ward. Out of 103 patients held in the psychiatric ward, 102 were tested positive of the deadly virus. Seven, all in their 50s and 60s, died within one week. The mortality rate was about 7%, much higher than that of 1% in the general Korean population (http://ncov.mohw.go.kr, 2020). This crisis touched on difficult issues of not only medical care and ethics, but also psychological impacts to psychiatric care givers.

Firstly, community-dwelling people with schizophrenia exhibit poor physical health literacy and unhealthy lifestyles (Kim et al., 2019) . Patients with severe mental illness may neglect prevention of infection due to cognitive decline. The reduced regular activity and exercise due to a fear of infection as well as negative symptoms further compromise patients' physical health and immunity. More worse, the psychiatric inpatient unit is a perfect breeding ground for the virus. Therefore, patients with serious mental illnesses are very vulnerable, both environmentally and physically, to infectious diseases.

Secondly, patients free from COVID-19 infection are also psychologically impacted by the COVID-19 pandemic. The dramatic increases of public fears and decreases in social and economic activities may trigger psychosocial sequelae. Those who are quarantined may evidence depression, fear, guilt, and anger (Brooks et al., 2020) . www.tsnpr.org.tw/) has been launching several mental supportive programs since early February, as well as the very early official regulation about the borders, setting the price of masks, using government funds and military personnel to increase mask production, and integrating national health insurance database with the immigration and customs database to 5 begin the creation of big data for analytics, which has been considered an example of how a society can respond quickly to reduce anxiety and panic response (Wang et al., 2020) . In summary, infected patients, uninfected quarantined individuals, and medical professionals working in pandemic areas all require mental health supporting strategies. Epidemiological studies of potential long-term psychiatric sequelae in such groups are essential.

We should address both physical and biopsychosocial aspects of this infection.

Psychiatric morbidity is an important concern, as the virus may affect the central nervous system and provoke systemic inflammation (Arabi et al., 2015) . A recent paper reported that COVID-19 infection triggers the release of pro-inflammatory cytokines, including interleukin (IL)-1b and IL-6 (Conti et al., 2020) . Furthermore, psychosocial stresses imposed by societal changes in response to this epidemic viral infection may increase psychiatric problems. Over 50% of patients infected by SARS and MERS experienced psychological distress (Mark et al., 2009; Kim et al., 2018) . Although the psychological impact of COVID-19 remains unclear, infected patients may experience anxiety, depression, guilt, stigma, and anger. The emotional problems thus may reduce immunity and compromise recovery.

COVID-19 is highly contagious because most persons lack immunity against this novel virus. Current COVID-19 therapy involves only treatment of symptoms, supportive care and prevention of complication, but no targeted medication is yet available. Therefore, the best strategy remains prevention, namely the reduction of pathogen exposure and enhancing individual immunity. Studies have shown that a healthy lifestyle, regular exercise, balanced nutrition, quality sleep and a strong connection with their families and communities are all associated with a boost to the immune system. During this outbreak, social distancing or wearing masks might help us to prevent infection, yet don't let these measures prevent us from expressing compassion and friendliness. Indeed, all forms of psychological support

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