Medicine
Pandemic
Stroke (engine)
Coronavirus disease 2019 (COVID-19)
Thrombolysis
Emergency medicine
Retrospective cohort study
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
2019-20 coronavirus outbreak
Pediatrics
Internal medicine
Virology
Disease
Myocardial infarction
Engineering
Mechanical engineering
Outbreak
Infectious disease (medical specialty)