• Melvyn Zhang and Helen Elizabeth Smith.
• Family Medicine and Primary Care, Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, Singapore.
• J. Med. Internet Res. 2020 Aug 21; 22 (8): e19706.

BackgroundIn the four months after the discovery of the index case of coronavirus disease (COVID-19), several studies highlighted the psychological impact of COVID-19 on frontline health care workers and on members of the general public. It is evident from these studies that individuals experienced elevated levels of anxiety and depression in the acute phase, when they first became aware of the pandemic, and that the psychological distress persisted into subsequent weeks. It is becoming apparent that technological tools such as SMS text messages, web-based interventions, mobile interventions, and conversational agents can help ameliorate psychological distress in the workplace and in society. To our knowledge, there are few publications describing how digital tools have been used to ameliorate psychological symptoms among individuals.ObjectiveThe aim of this review was to identify existing SMS text message, web-based, mobile, and conversational agents that the general public can access to ameliorate the psychological symptoms they are experiencing during the COVID-19 pandemic.MethodsTo identify digital tools that were published specifically for COVID-19, a search was performed in the PubMed and MEDLINE databases from the inception of the databases through June 17, 2020. The following search strings were used: "NCOV OR 2019-nCoV OR SARS-CoV-2 OR Coronavirus OR COVID19 OR COVID" and "mHealth OR eHealth OR text". Another search was conducted in PubMed and MEDLINE to identify existing digital tools for depression and anxiety disorders. A web-based search engine (Google) was used to identify if the cited web-based interventions could be accessed. A mobile app search engine, App Annie, was used to determine if the identified mobile apps were commercially available. Results: A total of 6 studies were identified. Of the 6 identified web-based interventions, 5 websites (83%) could be accessed. Of the 32 identified mobile interventions, 7 apps (22%) could be accessed. Of the 7 identified conversational agents, only 2 (29%) could be accessed.ResultsA total of 6 studies were identified. Of the 6 identified web-based interventions, 5 websites (83%) could be accessed. Of the 32 identified mobile interventions, 7 apps (22%) could be accessed. Of the 7 identified conversational agents, only 2 (29%) could be accessed.ConclusionsThe COVID-19 pandemic has caused significant psychological distress. Digital tools that are commercially available may be useful for at-risk individuals or individuals with pre-existing psychiatric symptoms.©Melvyn Zhang, Helen Elizabeth Smith. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 21.08.2020.

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