JMIR Theme Issue 2020/21: COVID-19 Special Issue

Rise in Use of Digital Mental Health Tools and Technologies in the United States During the COVID-19 Pandemic: Survey Study

Dara H Sorkin, Emily A Janio, Elizabeth V Eikey, Margaret Schneider, Katelyn Davis, Stephen M Schueller, Nicole A Stadnick, Kai Zheng, Martha Neary, David Safani, Dana B Mukamel

J Med Internet Res 2021 (Apr 16); 23(4):e26994

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Evolving Epidemiological Characteristics of COVID-19 in Hong Kong From January to August 2020: Retrospective Study

Kin On Kwok, Wan In Wei, Ying Huang, Kai Man Kam, Emily Ying Yang Chan, Steven Riley, Ho Hin Henry Chan, David Shu Cheong Hui, Samuel Yeung Shan Wong, Eng Kiong Yeoh

J Med Internet Res 2021 (Apr 16); 23(4):e26645

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Prediction Models for the Clinical Severity of Patients With COVID-19 in Korea: Retrospective Multicenter Cohort Study

Bumjo Oh, Suhyun Hwangbo, Taeyeong Jung, Kyungha Min, Chanhee Lee, Catherine Apio, Hyejin Lee, Seungyeoun Lee, Min Kyong Moon, Shin-Woo Kim, Taesung Park

J Med Internet Res 2021 (Apr 16); 23(4):e25852

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Gender Differences in Satisfaction With a Text Messaging Program (Text4Hope) and Anticipated Receptivity to Technology-Based Health Support During the COVID-19 Pandemic: Cross-sectional Survey Study

Reham Shalaby, Wesley Vuong, Marianne Hrabok, April Gusnowski, Kelly Mrklas, Daniel Li, Mark Snaterse, Shireen Surood, Bo Cao, Xin-Min Li, Russell Greiner, Andrew James Greenshaw, Vincent Israel Opoku Agyapong

JMIR Mhealth Uhealth 2021 (Apr 15); 9(4):e24184

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The Impact of the COVID-19 Pandemic on the Uptake of Influenza Vaccine: UK-Wide Observational Study

Patrik Bachtiger, Alexander Adamson, Ji-Jian Chow, Rupa Sisodia, Jennifer K Quint, Nicholas S Peters

JMIR Public Health Surveill 2021 (Apr 14); 7(4):e26734

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Machine Learning Applied to Clinical Laboratory Data in Spain for COVID-19 Outcome Prediction: Model Development and Validation

Juan L Domínguez-Olmedo, Álvaro Gragera-Martínez, Jacinto Mata, Victoria Pachón Álvarez

J Med Internet Res 2021 (Apr 14); 23(4):e26211

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Socioeconomic Disparities in eHealth Literacy and Preventive Behaviors During the COVID-19 Pandemic in Hong Kong: Cross-sectional Study

Ziqiu Guo, Sheng Zhi Zhao, Ningyuan Guo, Yongda Wu, Xue Weng, Janet Yuen-Ha Wong, Tai Hing Lam, Man Ping Wang

J Med Internet Res 2021 (Apr 14); 23(4):e24577

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“Thought I’d Share First” and Other Conspiracy Theory Tweets from the COVID-19 Infodemic: Exploratory Study

Dax Gerts, Courtney D Shelley, Nidhi Parikh, Travis Pitts, Chrysm Watson Ross, Geoffrey Fairchild, Nidia Yadria Vaquera Chavez, Ashlynn R Daughton

JMIR Public Health Surveill 2021 (Apr 14); 7(4):e26527

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An Online Calculator to Better Understand the Impact of False-Negative COVID-19 Polymerase Chain Reaction Test Results in the Context of Anesthesia Providers

Sean Runnels, John Frederick Pearson, Jon Dean Samuels, Rohan Kirit Panchamia

JMIR Perioper Med 2021 (Apr 14); 4(1):e26316

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Spatial-Temporal Relationship Between Population Mobility and COVID-19 Outbreaks in South Carolina: Time Series Forecasting Analysis

Chengbo Zeng, Jiajia Zhang, Zhenlong Li, Xiaowen Sun, Bankole Olatosi, Sharon Weissman, Xiaoming Li

J Med Internet Res 2021 (Apr 13); 23(4):e27045

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COVID-19 Vaccine Hesitancy in Canada: Content Analysis of Tweets Using the Theoretical Domains Framework

Janessa Griffith, Husayn Marani, Helen Monkman

J Med Internet Res 2021 (Apr 13); 23(4):e26874

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Assessment of the Effectiveness of Identity-Based Public Health Announcements in Increasing the Likelihood of Complying With COVID-19 Guidelines: Randomized Controlled Cross-sectional Web-Based Study

Alexander S Dennis, Patricia L Moravec, Antino Kim, Alan R Dennis

JMIR Public Health Surveill 2021 (Apr 13); 7(4):e25762

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Physical Activity, Nutritional Habits, and Sleeping Behavior in Students and Employees of a Swiss University During the COVID-19 Lockdown Period: Questionnaire Survey Study

Jan Taeymans, Eefje Luijckx, Slavko Rogan, Karin Haas, Heiner Baur

JMIR Public Health Surveill 2021 (Apr 13); 7(4):e26330

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Machine Learning Approach to Predicting COVID-19 Disease Severity Based on Clinical Blood Test Data: Statistical Analysis and Model Development

Sakifa Aktar, Md Martuza Ahamad, Md Rashed-Al-Mahfuz, AKM Azad, Shahadat Uddin, AHM Kamal, Salem A Alyami, Ping-I Lin, Sheikh Mohammed Shariful Islam, Julian MW Quinn, Valsamma Eapen, Mohammad Ali Moni

JMIR Med Inform 2021 (Apr 13); 9(4):e25884

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Mass Testing With Contact Tracing Compared to Test and Trace for the Effective Suppression of COVID-19 in the United Kingdom: Systematic Review

Mathew Mbwogge

JMIRx Med 2021 (Apr 12); 2(2):e27254

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Impact of the COVID-19 Pandemic on Older Adults: Rapid Review

Audrey Lebrasseur, Noémie Fortin-Bédard, Josiane Lettre, Emilie Raymond, Eve-Line Bussières, Nolwenn Lapierre, Julie Faieta, Claude Vincent, Louise Duchesne, Marie-Christine Ouellet, Eric Gagnon, André Tourigny, Marie-Ève Lamontagne, François Routhier

JMIR Aging 2021 (Apr 12); 4(2):e26474

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Gender Disparity in the Authorship of Biomedical Research Publications During the COVID-19 Pandemic: Retrospective Observational Study

Goran Muric, Kristina Lerman, Emilio Ferrara

J Med Internet Res 2021 (Apr 12); 23(4):e25379

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Assessing Public Interest Based on Wikipedia’s Most Visited Medical Articles During the SARS-CoV-2 Outbreak: Search Trends Analysis

Jędrzej Chrzanowski, Julia Sołek, Dariusz Jemielniak, Dariusz Jemielniak

J Med Internet Res 2021 (Apr 12); 23(4):e26331

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Social Media and Medical Education in the Context of the COVID-19 Pandemic: Scoping Review

Marc Katz, Neilanjan Nandi

JMIR Med Educ 2021 (Apr 12); 7(2):e25892

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Association of Perceived Threat, Negative Emotions, and Self-Efficacy With Mental Health and Personal Protective Behavior Among Chinese Pregnant Women During the COVID-19 Pandemic: Cross-sectional Survey Study

Phoenix Kit Han Mo, Vivian Wai In Fong, Bo Song, Jiangli Di, Qian Wang, Linhong Wang

J Med Internet Res 2021 (Apr 12); 23(4):e24053

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