He found it hard to get recognition for his illness.
Approximately 115,000 people in Ireland have had 'long Covid', or will develop it, according to an Oireachtas study released last week.
The estimate accounts for 10% of all cases recorded to date.
In the Republic of Ireland near 1.2 million positive tests were recorded.
Independent TD Denis Naughten has said it could cost the state €925 million in social welfare payments.
"Long covid is defined as someone experiencing an ongoing illness three months after the first symptom.
Cognitive function and being able to think clearly is affected," said Naughten.
Newbridge man Paddy Flavin spoke about his struggle with a long-Covid diagnosis.
He spoke with Ciara Noble on Monday's Kildare Focus:

452 Incidents Reported In Naas General Hospital In Last Three Years
Over 600 Fewer Frontline Gardaí As Staffing Figures Release
Easter Monday Kfm Obituary Announcements
Nationwide Fuel Protest Set To Take Place Tommorrow
Woman Dies In Crash As Over 3,000 Drivers Caught Speeding During Bank Holiday Weekend
Calls for Increased Traffic Garda Presence Ahead of Bank Holiday Weekend