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Volume 28, Supplement—December 2022
Lessons Learned from CDC’s Global COVID-19 Early Warning and Response Surveillance System
||JHU IBS and EBS
|Only report on confirmed cases and deaths||Y||Y||Y||Y|
|Data cutoff time||11:59 PM ET||5 AM ET||Evening||5 AM ET|
|Reporting time||Morning, next day||Afternoon, same day||Evening, same day||Afternoon, same day|
*CDC, Centers for Disease Control and Prevention; EBS, event-based surveillance; ECDC, European Centres for Disease Control; EWAR, early warning and response; EWARS, Early Warning and Response System; IBS, indicator-based surveillance; JHU, Johns Hopkins University Center for Systems Science and Engineering; WHO, World Health Organization.