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Table 4 Risk levels of contagion defined on the basis of duration of exposure and physical distance

From: Measuring close proximity interactions in summer camps during the COVID-19 pandemic

 

Duration

Distance

figure d
High risk

≥ 15 min

≤ 1 m

figure e
Medium high risk

≥ 10 min

≤ 2 m

figure f
Medium low risk

≥ 5 min

≤ 4 m

figure g
Low risk

< 5 min

> 4 m