Doctors in France have discovered they treated a man with Covid-19 as far back as December.
The patient was cared for in Paris in the week between Christmas and New Year.
That's nearly a month before the country recorded its first official case of the disease.
Medics there have been retesting old samples of patients with flu-like symptoms.
Wicklow Gardaí Urge Extreme Caution On Road Safety This Christmas
Wicklow Coastguard Urges Safety First for Christmas and New Year Dips
Wicklow Commuters To Benefit As New DART Trains Set To Transform Coastal Commuting
Shaping the Future of Newtownmountkennedy: A Town Team’s Vision for Growth and Community
North Wicklow GP Advice As Flu Season Hits Hard Locally