After being safely administered to hundreds of thousands of adults world wide, new knowledge exhibits that the Pfizer/BioNTech vaccine is efficient in youngsters as properly. A US trial of greater than 2,000 12-15 12 months olds discovered that the vaccine had an efficacy charge of 100% and produced a powerful antibody response, in response to a press launch from Pfizer. That’s excellent news, as kids will finally should be vaccinated to stop an infection, says paediatrician James B Wooden.
These outcomes observe earlier constructive outcomes regarding the efficacy of COVID-19 vaccines throughout and after being pregnant. A small research of pregnant and breastfeeding ladies who had been given the Pfizer and Moderna vaccines discovered they too produced a strong immune response, and that vaccinated moms had been additionally capable of go on immunity to their newborns. Immunologists Catherine Thornton and April Rees clarify right here the way it works.
The Moderna and Novavax vaccines are as a result of arrive within the UK within the coming months, with the latter to be completely produced and packaged domestically. It will present hope for many who are nonetheless ready for his or her first doses, say provide chain specialists Liz Breen and Sarah Schiffling, and it’ll hopefully bolster the nation’s gradual emergence from lockdown.
Within the US, 15 million doses of the Johnson & Johnson vaccine have been contaminated at a producing web site after elements had been conflated with these destined for the AstraZeneca vaccine.
That is our weekly round-up of knowledgeable details about the COVID-19 vaccines.
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The increase for UK manufacturing of COVID-19 vaccines will take among the warmth out of disputes with the EU over the export of doses manufactured inside the bloc. The World Well being Group has described the EU rollout as “unacceptably gradual”, and the UK has claimed it has preferential entry to AstraZeneca vaccines as a result of it negotiated a greater contract with the drugmaker. However that’s not strictly true, writes EU regulation professor Gareth Davies.
The UK prime minister, Boris Johnson, reportedly hailed the lightning-fast improvement of COVID-19 vaccines as a victory for “greed” and “capitalism”, however the free market has not confirmed efficient in bringing the world new vaccines prior to now, writes David Whyte. The actual unsung hero of the pandemic, he says, is the publicly funded analysis sector.
And Australia has each purpose to rejoice its success in successfully eliminating COVID-19, with solely occasional flare-ups. However its vaccine rollout has been gradual, with the nation falling 3.four million doses wanting its goal to vaccinate four million individuals by the tip of March. Australian well being coverage knowledgeable Stephen Duckett explains what went fallacious.
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