The mechanisms behind vaccine-related and pill-related clots are quite different.
Beyond the immediate questions of NHS funding and the timing of decisions, some controversial governance choices need to be urgently addressed.
The UK's proposal to give under-30s other vaccines shouldn't be too disruptive, but in Europe, greater restrictions look likely.
Physical contact is important for our mental health and social bonding. We need to bring it back as soon as it's safe to do so.
Immunity to COVID-19 appears to be generated in different ways in different subgroups of people.
Our research shows that COVID-19 is disproportionately affecting Black and Asian people, and racism is part of the explanation why.
Good news for children and young people, bad news for Johnson & Johnson.
The development of the COVID-19 vaccines is part of a vast system of public subsidies and universities, not corporate ambition.
The anticipated arrival of two new vaccines can boost the morale of those worried about the wait for their dose.
History tells us that the end of pandemics are rarely – if ever – neat, uncomplicated, or even easy to date.
Sexual behaviour of UK young adults changed during social lockdown.
Have 'Do Not Attempt CPR' orders been misused under the pressures of the pandemic?
Switzerland is a key case study for understanding how a global health crisis affects the stability of well-established democratic institutions and shifts political debates.
Vaccines that rely on embryonic cell lines have saved tens of millions of people.
Researchers in the US are the first to study how pregnant and breast-feeding women are responding to the vaccines. The results are promising
Exports of the vaccine continue to be a point of contention between the EU and UK, while newly released US trial results are quickly amended.
Emerging evidence suggests a significant number of children develop long COVID, with symptoms lasting for months on end.
Adjuvants have been giving vaccines their oomph since 1925.
A year of working from home has become normalised for many jobs. We're now learning a great deal about its effects on the workforce and our lives.
For one year, 600 people tracked 20 types of coronavirus restriction in 186 countries – here's what they found out.