COVID-19(13) SARS-CoV-2(8) Reproduction number(7) coronavirus(5) quarantine(5) Analysis(5) identify(4) Intervention(4) mathematical model(4) whole genome(4) approach(4) Isolation(4) Local(3) multiplex(3) labeling(3) Bathtub-type principle(3) immunity boosting(3) COVID-19 pandemic(3) Vaccine(3) antibody(3) Limited resources(3) SARS-CoV-2 antibody(3) approaches(3) effective(3) childhood viral infections(3) expressed(3) Contact tracing(3) stability(3) classification(3) threshold(3)