Naas Hospital says a Covid-19 outbreak has been confirmed on one ward, believed to be a 31 bed unit.
The ward is now closed to new admissions. The hospital says as of last night, there are no confirmed cases there, and 8 suspected cases.
An Outbreak Control Team has been undertaking testing and contact tracing.
This evening, swab results for patients have come back negative, while staff who are close contacts are self-isolating.
It's understood the source of the outbreak could be part of the cleaning team, who tested positive.
Over 300 cases have been confirmed in Kildare in the past two weeks.
