Public health surveillance for COVID-19: interim guidance
Interim guidance
14 February 2022
| COVID-19: Surveillance, case investigation and epidemiological protocols
Overview
This document summarizes current WHO guidance for public health surveillance of coronavirus disease 2019 (COVID-19) in humans caused by infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
New elements include:
- update of contact definitions, in line with latest contact tracing guidance
- update of detection strategies in line with updated version of WHO SARS-CoV-2 testing guidance
- reinfection evidence standardization and surveillance: molecular, genomic and immunological evidence of reinfection
- inclusion of clinical case definition of Post COVID-19 condition as defined by WHO
- definition of breakthrough infection
This version has been developed through a structured process of which the inception pre-dates the emergence of the variant of concern Omicron. It superseded the previous version released on 16 December 2020.
Related
Global surveillance of COVID-19: WHO process for weekly reporting aggregated data
See also: End-to-end integration of SARS-CoV-2 and influenza sentinel surveillance: revised interim guidance (31 January 2022)