World round-up: Cases and hospitalisations appear to be on downward trend in US

New vaccine will target several variants in one product

Additional supply part of deal announced by European Commission president last month

Planned vaccine rollout depends on supply – and that’s where doubt is creeping in

Cliff Taylor: Battle we face before vaccine cavalry arrives is looking more difficult

Q&A: What we know about approvals, supply and who will be prioritised for inoculation

Trading bloc now accounts for half of all agreed supplies of Pfizer vaccine

People who have recovered from infection have already generated a protective immune response to the virus

Newly released timetable confirms bloc will need other vaccines to speed up inoculations

Taoiseach will give ‘some consideration’ for a dedicated Minister over roll-out strategy

Cabinet agrees on several additional measures including Covid-19 vaccine purchases

Almost a year since Covid-19 emerged, there is a chink of light at the end of the tunnel

Very little known about terms of contracts the EU has signed with pharma groups

Q&A - Everything we know so far about coronavirus vaccines

Agreement takes the total number of vaccine supplies secured by bloc to nearly 2bn doses

Vaccine development in covid-era has been accelerated

Member states will be able to buy up to 160m doses under potential agreement

Reported US gazumping of deals angers Europe, which has its own internal wrangles

Scientists are focusing on three main drug types

‘It could be ready in 12 to 18 months. That is great if it happens’