Level 1
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Minimal Risk
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Participant and staff are not in close contact indoors at anytime. No aerosolizing procedures. No processing of biologic samples.
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Data collection by phone, in-person survey administration outdoors, LPG fuel delivery
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Level 2
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Moderate Risk
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Participant and staff may be in close contact but only for a short period of time. Biologic materials may be processed in the lab. No aerosolizing procedures performed.
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Brachial artery reactivity testing, carotid artery reactivity testing, blood pressure measurement, fetal ultrasound, personal exposure assessment in adults, blood collection in adults, urine collection in adults
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Level 3
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High Risk
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Participant and staff may be in close contact for a prolonged period of time or an aerosolizing procedure is occuring (e.g. child crying during length measurement)
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Anthropometry, collection of blood in children, screening children for pneumonia, lung ultrasound, buccal scrape, nasal brush
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Level 4
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Unacceptable Risk for Research
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Participant and staff may be in close contact with patient samples for a prolonged period of time and an aerosolizing procedure is occuring in a manner that staff and participants can not be safely protected.
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No HAPIN procedures were deemed Level 4; however, the following procedures would be deemed Level 4 in our framework: bronchoscopy, induced sputum, cardiopulmonary resuscitation (CPR)
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