Covid-19: How vaccines work against the Delta variant
The Delta variant of the coronavirus, first identified in India, is a cause for global concern with studies showing it is more contagious and resistant to vaccines than other forms of Covid
More than two billion Covid vaccines given: AFP
More than two billion Covid-19 vaccines have been given across the world, according to an AFP tally drawn from official sources
AstraZeneca vaccine: what we know and what we don’t
A European Medicines Agency recommendation that a type of blood clot should be listed as a "very rare side effect" of the AstraZeneca jab stopped just short of saying there is a causal link with the vaccine
AstraZeneca: Who is using the jab, and who isn’t
The AstraZeneca vaccine's rollercoaster ride has taken another twist with a growing list of countries restricting its use over "very rare" blood clots
Questions about AstraZeneca jab linger
Fears of what is causing the 'highly untypical' blood clots seen in some people vaccinated against Covid-19 have undermined confidence in the AstraZeneca vaccine
EU vaccine export-vetting scheme: 5 things to know
The European Commission has toughened up its Covid-19 vaccine export vetting scheme. Here are the five main things to know about the "transparency and authorisation mechanism"
Nordic countries play safe with AstraZeneca jab
Nordic countries were among the first to suspend use of AstraZeneca's Covid vaccine amid fears of side effects and, unlike most of the rest of Europe, they're holding off on resuming
Key questions as EU watchdog rules on AstraZeneca jab
The EU's drug regulator, the European Medicines Agency, finds itself in the hot seat as it decides what to do about blood clot fears over the AstraZeneca coronavirus jab
Why have some countries paused the AstraZeneca jab?
Why have several European countries suspended use of the AstraZeneca vaccine, citing fears of blood clots, even as the EU regulator insists there is no evidence of a link and calls for jabs to continue?
AstraZeneca vaccine’s promise now drawn into question
A dozen countries have suspended their rollout of the AstraZenace jab over fears it caused blood clots in some patients, in the latest setback for the cheap, easy to store vaccine