Emer Cooke

Surge in demand this winter puts pressure on supplies amid sharp disagreement over long-term impact of pricing

Limited efficacy means it is increasingly seen as a therapy for those who cannot take rival medications

Other vaccine producers also studying potential for adapted formulations

Dutch health ministry finds cases from 10 days ago, before South Africa reported variant

Recent trials with 4,000 children provides ‘robust’ database on Moderna, Pfizer shots

Dr Emer Cooke warns against depending too heavily on a single shot or type of vaccine

The AstraZeneca and Pfizer jabs both have side effects, but experts say most are mild and brief

National Immunisation Advisory Committee to discuss State’s position on shot

EMA responds after Germany joined countries limiting Covid-19 vaccine to older people

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Professor says decision by European countries to halt AstraZeneca vaccine ‘not logical’

AstraZeneca boosted by comments from European Medicine Agency

Diplomatic spat and last-minute efficacy questions add to uncertainty on jab’s approval

Confusion arose over claim in German media the AstraZeneca vaccine had very low efficacy in people over 65

Drug giant promises to meet delivery targets agreed with countries on vaccine doses