Rotavirus Case Definition

This document contains the case definitions for Rotavirus which is nationally notifiable within Australia. This definition should be used to determine whether a case should be notified.

Page last updated: 26 June 2018

Version Summary of changes Last reviewed Implementation date
1.0
Initial case definition
2017
1 July 2018

Reporting

Both confirmed cases and probable cases should be notified.

Confirmed case

A confirmed case requires either:

  1. laboratory definitive evidence

OR

  1. laboratory suggestive evidence AND epidemiological evidence.

Laboratory definitive evidence

Detection of wild-type rotavirus by nucleic acid testing.

Laboratory suggestive evidence

  1. Detection of rotavirus by antigen assay

OR

  1. Detection of rotavirus by nucleic acid testing that does not distinguish between wild-type and vaccine-related virus

OR

  1. Detection of rotavirus by electron microscopy

OR

  1. Isolation of rotavirus.

Epidemiological evidence

The case is 8 months of age or older

OR

The case has not been vaccinated in the 4 weeks prior to testing.

Probable case

A probable case requires laboratory suggestive evidence only.

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