Id |
Subject |
Object |
Predicate |
Lexical cue |
T96 |
0-188 |
Sentence |
denotes |
Compartments are: susceptible to the virus (S); exposed (E1); exposed, pre-symptomatic, and infectious (E2); symptomatic and infectious (I); quarantined (Q); and recovered or deceased (R). |
T97 |
189-236 |
Sentence |
denotes |
Recovered individuals are assumed to be immune. |
T98 |
237-323 |
Sentence |
denotes |
The model includes analogous variables for individuals practising physical distancing: |
T99 |
324-353 |
Sentence |
denotes |
Sd, E1d, E2d, Id, Qd, and Rd. |
T100 |
354-501 |
Sentence |
denotes |
Solid arrows represent flow of individuals between compartments at rates indicated by the mathematical terms (see Supplement for full definitions). |
T101 |
502-568 |
Sentence |
denotes |
Dashed lines show which compartments contribute to new infections. |
T102 |
569-682 |
Sentence |
denotes |
An individual in some compartment X can begin distancing and move to the corresponding compartment Xd at rate ud. |
T103 |
683-724 |
Sentence |
denotes |
The reverse transition occurs at rate ur. |
T104 |
725-884 |
Sentence |
denotes |
The model quickly settles on a fraction e = ud/(ud + ur) participating in distancing, and dynamics depend on this fraction, rather than on the rates ud and ur. |