Prof Devi Sridhar: ‘If we can get to March, we will be in a profoundly different situation’

Chris Horn: Key challenge is to scale from domestic market to sell internationally

Research Lives: Dr Lorna Lopez, lecturer in the Department of Biology and Kathleen Lonsdale Institute for Human Health Research, Maynooth University

Type, washing frequency, duration of disposability: all you need to know about masks

Perceiving mandatory face coverings as ‘state interference’ is dangerous lunacy

Q&A: Everything you need to know about phases, masks, gatherings and ‘green lists’

Ireland is shifting from ‘should’ wear a face mask to ‘must’ wear one

Research Lives: Áine O’Toole, PhD student at University of Edinburgh

Wherever the virus spread uncontrolled, elderly care homes were left unprotected

Ask Brian: About 2,000 students have applied for college courses in the UK or Europe

Trial shows drug ‘has a clear-cut, significant, positive effect in diminishing the time to recovery’

Doctors dismiss US president’s comments as ‘irresponsible and dangerous’

Pubs, gyms and some schools stay open in strategy that relies on personal responsibility

Liberal Catholic theologian and author was open to insights from other faiths

‘My real problem is lack of communication. I don’t even know if the HSE received the referral’

People who are well or have no symptoms should not use masks

Is coffee good for you? Is it addictive? Does the way it's made matter and other questions about our daily caffeine hit

Some 500m Chinese affected by movement, travel restrictions to contain infections

Book review: David Fitzpatrick combines rigorous analysis with human experiences

TB in cattle can be spread by badgers, but cow-to-cow transfer more significant – research