Congressional report says assessment of Biogen drug was ‘rife with irregularities’

Amryt Pharma has delivered first ever therapy for patients suffering from EB, or butterfly skin disease

President hails ‘monumental step forward’ in battle against virus but parents have been more cautious in inoculating children

The ethics of editing humans are fraught and complex, argues Henry Greely

America Letter: As Covid-19 vaccine rollout accelerates, who will get America’s spare doses?

Priority will be given to vulnerable groups and health workers, Martin says

Debate today on amendments to controversial directive ahead of key vote