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
Initial case definition
1 July 2018


Both confirmed cases and probable cases should be notified.

Confirmed case

A confirmed case requires either:

  1. laboratory definitive evidence


  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


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


  1. Detection of rotavirus by electron microscopy


  1. Isolation of rotavirus.

Epidemiological evidence

The case is 8 months of age or older


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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