translation.en: Smallpox was a systemic disease, officially eradicated since 1979, caused by infection with the Variola major virus, whose only reservoir was infected humans.
translation.ga: Is galar sistéamach é Bolgach, atá díothaithe go hoifigiúil ó 1979, agus tarlaíonn sé mar gheall ar ionfhabhtú an mhórvíris Variola, a raibh daoine ionfhabhtaithe ar an taiscumar amháin a bhí aige.