Vol 7, No 3 (2021): March

Early Detection of Dengue Fever Outbreaks Using a Surveillance App (Mozzify): Cross-sectional Mixed Methods Usability Study

Von Ralph Dane Marquez Herbuela, Tomonori Karita, Thaddeus Marzo Carvajal, Howell Tsai Ho, John Michael Olea Lorena, Rachele Arce Regalado, Girly Dirilo Sobrepeña, Kozo Watanabe

JMIR Public Health Surveill 2021 (Mar 01); 7(3):e19034

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A Mobile App and Dashboard for Early Detection of Infectious Disease Outbreaks: Development Study

Euijoon Ahn, Na Liu, Tej Parekh, Ronak Patel, Tanya Baldacchino, Tracy Mullavey, Amanda Robinson, Jinman Kim

JMIR Public Health Surveill 2021 (Mar 09); 7(3):e14837

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Use of #SaludTues Tweetchats for the Dissemination of Culturally Relevant Information on Latino Health Equity: Exploratory Case Study

Amelie G Ramirez, Rosalie P Aguilar, Amanda Merck, Cliff Despres, Pramod Sukumaran, Stacy Cantu-Pawlik, Patricia Chalela

JMIR Public Health Surveill 2021 (Mar 01); 7(3):e21266

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The Relationship Between the Global Burden of Influenza From 2017 to 2019 and COVID-19: Descriptive Epidemiological Assessment

Stefan David Baral, Katherine Blair Rucinski, Jean Olivier Twahirwa Rwema, Amrita Rao, Neia Prata Menezes, Daouda Diouf, Adeeba Kamarulzaman, Nancy Phaswana-Mafuya, Sharmistha Mishra

JMIR Public Health Surveill 2021 (Mar 02); 7(3):e24696

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Estimating the Incidence of Conjunctivitis by Comparing the Frequency of Google Search Terms With Clinical Data: Retrospective Study

Paola Kammrath Betancor, Linda Tizek, Alexander Zink, Thomas Reinhard, Daniel Böhringer

JMIR Public Health Surveill 2021 (Mar 03); 7(3):e22645

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The Annual American Men’s Internet Survey of Behaviors of Men Who Have Sex With Men in the United States: Key Indicators Report 2018

Sarah Wiatrek, Maria Zlotorzynska, Ramona Rai, Patrick Sullivan, Travis Sanchez

JMIR Public Health Surveill 2021 (Mar 04); 7(3):e21812

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Bridging Learning in Medicine and Citizenship During the COVID-19 Pandemic: A Telehealth-Based Case Study

Thiago Cerqueira-Silva, Roberto Carreiro, Victor Nunes, Louran Passos, Bernardo F Canedo, Sofia Andrade, Pablo Ivan P Ramos, Ricardo Khouri, Carolina Barbosa Souza Santos, Jedson Dos Santos Nascimento, Aurea Angélica Paste, Ivan De Mattos Paiva Filho, Marília Santini-Oliveira, Álvaro Cruz, Manoel Barral-Netto, Viviane Boaventura

JMIR Public Health Surveill 2021 (Mar 04); 7(3):e24795

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Early Improvement of Acute Respiratory Distress Syndrome in Patients With COVID-19 in the Intensive Care Unit: Retrospective Analysis

Zhu Zhan, Xin Yang, Hu Du, Chuanlai Zhang, Yuyan Song, Xiaoyun Ran, An Zhang, Mei Yang

JMIR Public Health Surveill 2021 (Mar 09); 7(3):e24843

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The Nature and Extent of Online Marketing by Big Food and Big Alcohol During the COVID-19 Pandemic in Australia: Content Analysis Study

Florentine Martino, Ruby Brooks, Jennifer Browne, Nicholas Carah, Christina Zorbas, Kirstan Corben, Emma Saleeba, Jane Martin, Anna Peeters, Kathryn Backholer

JMIR Public Health Surveill 2021 (Mar 12); 7(3):e25202

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The Influence of Social Distancing on COVID-19 Mortality in US Counties: Cross-sectional Study

Phoebe Tran, Lam Tran, Liem Tran

JMIR Public Health Surveill 2021 (Mar 18); 7(3):e21606

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Automated Travel History Extraction From Clinical Notes for Informing the Detection of Emergent Infectious Disease Events: Algorithm Development and Validation

Kelly S Peterson, Julia Lewis, Olga V Patterson, Alec B Chapman, Daniel W Denhalter, Patricia A Lye, Vanessa W Stevens, Shantini D Gamage, Gary A Roselle, Katherine S Wallace, Makoto Jones

JMIR Public Health Surveill 2021 (Mar 24); 7(3):e26719

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App Use and Usability of a Barcode-Based Digital Platform to Augment COVID-19 Contact Tracing: Postpilot Survey and Paradata Analysis

Thomas Foster Scherr, Jenna Maria DeSousa, Carson Paige Moore, Austin Hardcastle, David Wilson Wright

JMIR Public Health Surveill 2021 (Mar 26); 7(3):e25859

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Analyzing Cross-country Pandemic Connectedness During COVID-19 Using a Spatial-Temporal Database: Network Analysis

Amanda MY Chu, Jacky NL Chan, Jenny TY Tsang, Agnes Tiwari, Mike KP So

JMIR Public Health Surveill 2021 (Mar 29); 7(3):e27317

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Combining Wearable Devices and Mobile Surveys to Study Child and Youth Development in Malawi: Implementation Study of a Multimodal Approach

Onicio Leal Neto, Simon Haenni, John Phuka, Laura Ozella, Daniela Paolotti, Ciro Cattuto, Daniel Robles, Guilherme Lichand

JMIR Public Health Surveill 2021 (Mar 05); 7(3):e23154

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Diagnostic Accuracy of Detecting Diabetic Retinopathy by Using Digital Fundus Photographs in the Peripheral Health Facilities of Bangladesh: Validation Study

Tahmina Begum, Aminur Rahman, Dilruba Nomani, Abdullah Mamun, Alayne Adams, Shafiqul Islam, Zara Khair, Zareen Khair, Iqbal Anwar

JMIR Public Health Surveill 2021 (Mar 09); 7(3):e23538

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Effects of a Co-Design–Based Invitation Strategy on Participation in a Preventive Health Check Program: Randomized Controlled Trial

Trine Thilsing, Lars Bruun Larsen, Anders Larrabee Sonderlund, Signe Skaarup Andreassen, Jeanette Reffstrup Christensen, Nanna Herning Svensson, Marie Dahl, Jens Sondergaard

JMIR Public Health Surveill 2021 (Mar 10); 7(3):e25617

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Context and Barriers to the Prescription of Nonoccupational Postexposure Prophylaxis Among HIV Medical Care Providers: National Internet-Based Observational Study in China

Haibo Ding, Zehao Ye, Weiming Tang, Xiaojie Huang, Hui Wang, Sitong Cui, Yongjun Jiang, Wenqing Geng, Junjie Xu, Hong Shang

JMIR Public Health Surveill 2021 (Mar 11); 7(3):e24234

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Hybrid Approach to Estimation of Underreporting of Tuberculosis Case Notification in High-Burden Settings With Weak Surveillance Infrastructure: Design and Implementation of an Inventory Study

Ellen M H Mitchell, Olusola Adedeji Adejumo, Hussein Abdur-Razzaq, Chidubem Ogbudebe, Nkem Chukwueme, Samson Bamidele Olorunju, Mustapha Gidado

JMIR Public Health Surveill 2021 (Mar 15); 7(3):e22352

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Predicting Age Groups of Reddit Users Based on Posting Behavior and Metadata: Classification Model Development and Validation

Robert Chew, Caroline Kery, Laura Baum, Thomas Bukowski, Annice Kim, Mario Navarro

JMIR Public Health Surveill 2021 (Mar 16); 7(3):e25807

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Changes in Workers’ Sedentary and Physical Activity Behaviors in Response to the COVID-19 Pandemic and Their Relationships With Fatigue: Longitudinal Online Study

Mohammad Javad Koohsari, Tomoki Nakaya, Gavin R McCormack, Ai Shibata, Kaori Ishii, Koichiro Oka

JMIR Public Health Surveill 2021 (Mar 26); 7(3):e26293

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