One dose of COVID vaccine cuts household spread by up to 50%: UK study

One dose of the Pfizer or AstraZeneca vaccines reduces the chances of someone infected with coronavirus from spreading it to other household members by up to 50 per cent, according to a English study published Wednesday. The Public Health England (PHE) research found that those who became infected three weeks after receiving their first jab … Read more

France says ‘highly probable’ EU won’t renew AstraZeneca orders

The European Union is very unlikely to renew its COVID-19 vaccine contracts with pharmaceutical company AstraZeneca, a French minister said on Friday. Denmark this week banned the use of AstraZeneca jabs over blood clot concerns, just as the EU said it was expecting 50 million Pfizer vaccine doses earlier than expected. No final EU decision … Read more

Hong Kong suspends its order of AstraZeneca jabs

Hong Kong on Friday confirmed it has requested AstraZeneca suspend delivery of its Covid-19 vaccine amid fears of severe side effects and concerns over its efficacy against new variants of the coronavirus. Europe’s medicines regulator said this week the AstraZeneca vaccine could cause very rare blood clots in some recipients, prompting a cascade of countries … Read more

Australia halts AstraZeneca shots for under 50s over clot concerns

Australia on Thursday joined a growing number of countries halting the use of the AstraZeneca coronavirus vaccine for younger people over fears it can cause serious blood clots. In a further setback for Australia’s already halting coronavirus vaccine rollout, officials said the AstraZeneca shot should no longer be given to people under the age of … Read more

Philippines suspends AstraZeneca vaccine for under 60s

The Philippine health department suspended Thursday the use of the AstraZeneca COVID-19 jab for people under 60 after reports of blood clots overseas, in a setback for the country’s already slow vaccine rollout. It comes amid a record surge in coronavirus infections that has forced more than 24 million people in the capital and surrounding … Read more

UK starts Moderna jabs as AstraZeneca probed

Britain on Wednesday began rolling out its third coronavirus vaccine, from US company Moderna, as questions mounted over jabs from the country’s main supplier, AstraZeneca. The Moderna vaccine, which is already being delivered in Europe and the United States, joined ones from AstraZeneca-Oxford University and Pfizer-BioNTech in Britain’s armoury against Covid-19. The first jabs of … Read more

Questions about AstraZeneca jab linger

by Paul Ricard Persistent questions on whether rare but serious blood clots among those getting the AstraZeneca jab against Covid-19 are more frequent than in the general population, and what causes them if they are, have continued to undermine confidence in the beleaguered vaccine. The European Medicines Agency — which has said that benefits outweigh … Read more

AstraZeneca says vaccine 76% effective in updated US trial data

British-Swedish drugmaker AstraZeneca on Wednesday revised down by three percentage points the effectiveness of its COVID vaccine after American authorities raised concerns that results reported from its US trial were outdated. The company now says its vaccine is 76 rather than 79 percent effective at preventing any kind of symptomatic COVID. It remains 100 percent … Read more

AstraZeneca backs its Covid-19 shot as nations battle new surges

by AFP Bureaus AstraZeneca has said it is standing by its coronavirus vaccine after a US agency raised concerns about trial results that showed the shot to be highly effective in preventing COVID-19. As immunization programs gather pace around the world, another vaccine ran into trouble on Wednesday when Hong Kong and Macau suspended the … Read more

US health agency raises ‘concern’ over AstraZeneca vaccine trial data

A US government agency Tuesday raised concerns that AstraZeneca may have included out-of-date drug data in information provided during US trials for its COVID-19 vaccine. A monitoring board had “expressed concern that AstraZeneca may have included outdated information from that trial, which may have provided an incomplete view of the efficacy data,” a statement from … Read more