Last week, I explained on this site why there is still significant potential for harm from a second wave – both directly from Covid-19,...

For any disease, usually we need to establish whether a treatment / intervention is effective (e.g. in saving lives, or improving quality...

It is three months since we started to leave lockdown and, while we have learnt a lot about the virus in that time, the key questions I...

It’s just over a month since I wrote of my experiences on the Covid-19 frontline and my hope that we would all work together to defeat...

Dr Raghib Ali is a Consultant in Acute Medicine at the Oxford University Hospitals NHS Trust, and a Clinical Epidemiologist at the...