Ireland: half of all Covid deaths were infected in fewer than 400 buildings

Europe, Infection, Ireland, Superspreader events, Transmission

A eureka moment from Irish architect Orla Hegarty who has found that half of all deaths from Covid in Ireland were infected in just 400 buildings.


  • More than half of the people who died were infected in just 0.03% of buildings
  • Over half of the cases in workplaces outbreaks have been in just 150 buildings
  • Infection in overcrowded private homes is twice the rate of uncrowded homes
  • 1 in 4 school buildings has had a Covid-19 index case in the last 4 months


Joint Oireachtas Committee on Health report: COVID-19 prevention is possible by managing people and managing indoor air


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** This post was originally published on November 14, 2021 **