Table 3.
Conditions for local stability of the four equilibria. An equilibrium is stable for a given set of parameter values (b, r, g, v, s, c, w) if and only if the conditions for R0 and C0 are both met. The columns denoted 
and 
indicate presence (+) or absence (−) of disease and sentiment, respectively, at equilibrium
| Equilibrium |  |
 |
Disease condition | Sentiment condition |
|---|---|---|---|---|
| Disease- and sentiment-free equilibrium (DSFE) | − | − |  |
 |
| Disease-free equilibrium (DFE) | − | + |  |
 |
| Sentiment-free equilibrium (SFE) | + | − |  |
 |
| Endemic equilibrium (EE) | + | + |  |
 |