Table 3. Potential exposure to macaque feces based on video-recorded task observation.

	Proximity to macaques or macaque feces				Risk elevationc	Time observed	RR (95% CI)
Occupation	Not visiblea	Beyond 3ma	Within 3mb	Contactb
Vendor	0	16	3	0	4	95 min	Ref
Janitor	4	7	2	0	11	65 min	1.78 (1.67–1.90)
Park worker	0	3	6	4	9	65 min	2.84 (2.67–3.02)

Task observation assessment for the three worker groups (vendor, janitor, and park worker) reveals variation in proximity to macaques and behaviors that elevate risk of potential exposure. Risk of a potential exposure event during the task observation is presented relative to the lowest exposure occupation (vendor).

^a No exposure

^b Exposure

^c Exposure, defined as engagement in activities that generate aerosols and/or eating, drinking, or smoking without prior handwashing