Infection risk by activity.
Table 1 shows the calculated IRS for each of the 6 common activities.
This shows that around 7.3% (4.3/58.9) of all community-based risk of
infection is associated with public transport and retail outlets (4.0%
for public transport and 3.3% for retail outlets). Hence, any measure
to reduce infections within these sectors will have a relatively minor
impact. In contrast, 57.1% of the risk was associated with paid work
and 28.3% with activities carried out at home.