The EU's drug regulator said Friday it had launched a review of possible links between the Johnson & Johnson coronavirus vaccine and blood clots after reports of four cases, one of them fatal.

The EU's drug regulator said Wednesday that blood clots should be listed as a "very rare" side effect of the AstraZeneca coronavirus vaccine but that the jab's benefits continue to outweigh the risks.

Pope Francis urged Catholics to remain hopeful in his Easter Sunday address, calling vaccines an "essential tool" in ending the pandemic and urging their swift rollout to the world's poorest countries.

President Vladimir Putin on Tuesday received his first dose of a coronavirus vaccine, his spokesman said as Russia looks to boost a vaccination campaign that is faltering despite having produced three home-grown jabs.

No fewer than 2.3 million Nigerians registered their preparedness to receive the AstraZeneca coronavirus vaccine jab within 48 hours of the registration of the e-portal in the first week of March as Nigeria received samples.

Sierra Leone will receive 200,000 doses of the Chinese-made coronavirus vaccine Sinopharm on Thursday, the health ministry said.

European Commission chief Ursula von der Leyen insisted Wednesday that problems dogging vaccine supplies to the EU can be resolved, after AstraZeneca said it could deliver only half of its expected amount in the second quarter.

More than 200 million coronavirus vaccine doses have been administered in at least 107 countries and territories, according to an AFP count based on official sources Saturday. In total 201,042,149 doses had been given worldwide by 1000 GMT -- a figure that does not include the latest data from China and Russia, who have stopped…

An attempt by Taiwan to secure five million doses of coronavirus vaccine failed at the last minute because of "political pressure", Taipei's health minister said Wednesday, raising fears China could be creating roadblocks for the inoculation drive.

North Korean hackers tried to break into the computer systems of pharmaceutical giant Pfizer in a search for information on a coronavirus vaccine and treatment technology, South Korea's spy agency said Tuesday, according to reports.

Nigeria’s plan to vaccinate 30 per cent of citizens against COVID-19 this year could be delayed for scrutiny, after South Africa paused its rollout of AstraZeneca’s coronavirus vaccine.

The Red Cross launched a plan Thursday to help vaccinate 500 million people against Covid-19 in over 100 countries, warning that leaving out the world's poorest could seriously backfire.