Australia said on Tuesday a second person had been diagnosed with a blood clot after receiving the AstraZeneca Plc vaccine but there had been no rise in inoculation cancellations as authorities try to steady a bungled immunisation campaign.
Several Asian countries scrambled to find alternative sources for Covid-19 inoculations on Tuesday after export restrictions by manufacturer India left a World Health Organization-backed global vaccine sharing programme short of supplies.
One dose of Pfizer Covid-19 vaccine offers an immune response similar to that generated by infection and could also offer protection from variants to people who have previously had the virus, a British study said on Friday.
Many Asian countries are accelerating the rollout of AstraZeneca's Covid-19 vaccine after confidence in its safety was hit, following reports that the shot was linked to rare blood clots in Europe earlier this month.
WHO safety experts prepared to meet Tuesday over the AstraZeneca coronavirus vaccine whose rollout has been halted in several European countries over blood clot fears, imperilling the pandemic fight as infection rates surge.
Thailand announced plans on Monday to go ahead with AstraZeneca's Covid-19 vaccine and Germany said it would continue to administer the shot despite other countries suspending its use over safety fears.
AstraZeneca has again angered the EU by scaling back deliveries of Covid-19 vaccines, but got a boost on Friday when the World Health Organisation dismissed fears that have prompted countries in Europe and Asia to suspend use of the shot.
South Africa suspended the start of its AstraZeneca inoculation programme over concerns the shot does not work on a new variant, with WHO experts due to meet Monday to discuss the vaccine already facing questions about its efficacy for over-65s.
Pakistan has secured 17 million doses of AstraZeneca’s Covid-19 vaccine under a global scheme to deliver coronavirus treatments to developing nations, a government health official said on Saturday.
Pakistan will launch its Covid-19 vaccination drive next week, starting with front-line health workers, a government minister said on Wednesday
South Korea is reviewing AstraZeneca's request for approval of its coronavirus vaccine, as it expands a ban on private gatherings of more than four people to the whole country with daily cases topping more than 1,000 in four days.
Experts at India's drugs regulator have recommended for emergency use two coronavirus vaccines, one developed by AstraZeneca and Oxford University and the other backed by a state-run institute, the government said on Saturday