| Date | Event | Description |
|---|---|---|
| 28 November 2014 | New citation required and conclusions have changed | One new study was added, suggesting that the subgroup of children with encephalitis and myocarditis may benefit from IVIG. |
| 27 November 2014 | New search has been performed | Search was updated to January 2014. |
| 18 June 2008 | Amended | Converted to new review format |
| 18 June 2008 | Amended | Amendment made to authorship. |
| 26 June 2007 | New search has been performed | Searches rerun to June 2007. Two new studies identified as potentially relevant, both of which were excluded. Conclusions of the review unchanged. |
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