WHO Guidance: Global surveillance for COVID-19 caused by human infection with COVID-19 virus (apps.who.int)
This document summarises current WHO guidance on global surveillance for COVID-19 in humans, caused by infection with
COVID-19 virus.

This guidance should be read in conjunction with WHO’s guidance on preparedness, readiness and response
activities, which strongly recommends active case finding and testing as well as contact tracing in all transmission scenarios.
Aggregate reporting should be considered a temporary stop-gap measure only when individual case reporting

Download the report here: https://apps.who.int/iris/bitstream/handle/10665/331506/WHO-2019-nCoV-SurveillanceGuidance-2020.6-eng.pdf