Sass
Coronavirus disease 2019 (COVID-19)
2019-20 coronavirus outbreak
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Reliability (semiconductor)
Scale (ratio)
Validity
Psychometrics
Psychology
Medicine
Clinical psychology
Computer science
Virology
World Wide Web
Geography
Outbreak
Power (physics)
Physics
Cartography
Disease
Pathology
Quantum mechanics
Infectious disease (medical specialty)
