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Table 1 Phasing of outbreaks by the SO-ZI/AMR

From: Description of a nationwide structure for monitoring nosocomial outbreaks of (highly resistant) microorganisms in the Netherlands: characteristics of outbreaks in 2012–2021

Phase

Definition

Phase 1

No implications for public health expected, outbreak expected to be controlled soon (maximum duration 2 months).

Phase 2

Duration longer than expected (> 2 months), request information for monitoring

Phase 3

Possible threat to public health, contact and/or invite representatives of the healthcare institute for more information

Phase 4

Insufficient or ineffective response, outbreak not controlled: offer support

Phase 5

Either: offered support is refused, or despite support, control measures still insufficient or ineffective: Health and Youth Care Inspectorate is called upon

  1. SO-ZI/AMR: Healthcare-associated Infection and AntiMicrobial Resistance Monitoring Group