Household transmission investigation protocol for coronavirus disease 2019 (COVID-19)
Questionnaire items
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The data collected can be used to refine recommendations for surveillance and case definitions, to characterize the key epidemiological transmission features of 2019-nCoV, to help understand the spread, severity, spectrum of disease, and its impact on the community, and to inform operational models for implementation of countermeasures such as case isolation, contact tracing and isolation.
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