"Viral respiratory tract infections" . "Web applications" . "Web development" . "Observational study" . "Occupational safety and health" . "Citizens\u2019 Adherence to COVID-19 Mitigation Recommendations by the Government: A 3-Country Comparative Evaluation Using Web-Based Cross-Sectional Survey Data" . "Nursing research" . "Software architecture" . "Epidemiology" . "COVID-19" . "Mathematical and quantitative methods (economics)" . "User interface techniques" . "Cross-sectional analysis" . . "Zoonoses" .