Leo Varadkar will work with potential COVID-19 patients over the phone in order to free up staff to work on the front lines fighting the virus, the spokesperson added. DUBLIN - Ireland’s Prime Minister and former medical professional Leo Varadkar has reportedly re-registered as a doctor to join the fight against the novel coronavirus, according to Ireland’s national public broadcast service, RTE. RELATED: CoronavirusNOW.com, FOX launches national hub for COVID-19 news and updates RTE reported that Varadkar worked as a doctor for seven years before leaving the profession to seek a career in politics in 2013. "Many of his family and friends are working in the health service.