A health worker prepares a dose of the Pfizer-BioNTech Covid-19 vaccine. Photograph: Wael Hamzeh/EPA

The first big real-world study of the Pfizer/BioNTech vaccine to be independently reviewed shows the shot is highly effective at preventing Covid-19, (...)

A dose of the Pfizer/BioNtech Covid-19 vaccine is pictured at Clalit Health Services, in a gymnasium in the central Israeli city of Hod Hasharon on February 4th. Photograph: Jack Guez/AFP via Getty

Israel’s largest healthcare provider on Sunday reported a 94 per cent drop in symptomatic Covid-19 infections among 600,000 people who received two do(...)

A boy wears a mask while visiting the Chinese New Year Folk Art Lantern show with his father at Expo Garden on February 5th, 2021 in Wuhan. Photograph: Getty

A member of the World Health Organisation expert team investigating the origins of the coronavirus in Wuhan says Chinese authorities granted full acce(...)

Children watch as medical workers take swab tests for Covid-19 at an ultra-Orthodox Jewish school in the central Israeli city of Rechovot, on June 25th. Photograph: Gil Cohen-Magen/AFP via Getty Images

As countries around the world anxiously consider how to reopen schools, Israel, one of the first to do so, illustrates the dangers of moving too preci(...)

Theoretical physicist Erwin Schrödinger who ventured into biology to ask the question, ‘What is Life?’ in a series of lectures in TCD during 1943. Photo: Getty Images.

Some of the world’s leading scientists in biology and medicine are gathering in Dublin this week to work on unfinished business in determining “What i(...)

Lead consultant urologist on trial: “This is truly a huge leap forward.” Photograph: Getty Images

A non-surgical treatment for low-risk prostate cancer in which doctors inject a light-sensitive drug derived from deep-sea bacteria into a patient’s b(...)

Shafi Goldwasser: “My lecture will be on the tension between utility of big data and the risks it presents to our privacy, fairness and in general the right to be left alone.”

Masses of information is collected every day by governments, companies and agencies. The question of what they hold on you and how best to protect yo(...)

‘If Barack Obama sniffs his own hand after shaking hands with Enda Kenny, the US president may simply be using his olfactory senses to confirm that the man he’s greeting really is the Taoiseach.’ Photograph: Ron Sachs-Pool/Getty Images

The world’s media smelled a story recently that put a new twist on a simple social interaction between humans. Scientists had discovered that a(...)