The fraction of infections that are symptomatic varies over the course of the scenario, so you must pick a range of values to average over. If no range is specified, the default is days 80-93 (inclusive) from the start of the simulation.
1  | 
modrun | 
 Model output from   | 
trange | 
 Range of times to average symptomatic fraction over. The endpoints are included.  | 
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