Even before Omicron, it was clear boosters would be required to maintain the levels of protection against infection, although protection against severe illness appeared to be holding up well.
Vaccines prompt the body to make neutralising antibodies that intercept Covid before the virus infects our cells, but circulating antibodies can wane over time. Data from Israel, one of the first countries to vaccinate its population, showed a drop-off in protection against infection after only three months. It revealed that people were about 15 times more likely to be infected six months after their second dose compared with a few weeks after it.
Denne historien er fra December 17, 2021-utgaven av The Guardian Weekly.
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Denne historien er fra December 17, 2021-utgaven av The Guardian Weekly.
Start din 7-dagers gratis prøveperiode på Magzter GOLD for å få tilgang til tusenvis av utvalgte premiumhistorier og 9000+ magasiner og aviser.
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No 298 Bean, cabbage and coconut-milk soup
Deep, sweet heat. A soup that soothes and invigorates simultaneously.
Cottage cheese goes viral: in reluctant praise of a food trend
I was asked recently which food trends I think will take over in 2025.
I'm worried that my teenage son is in a toxic relationship
A year ago, our almost 18-year-old son began seeing a girl, who is a year older than him and is his first \"real\" girlfriend.
BOOKS OF THE MONTH
A roundup of the best recent science fiction, fantasy and horror
Dying words
The Nobel prize winner explores the moment of death and beyond in a probing tale of a fisher living in near solitude
Origin story
We homo sapiens evolved and succeeded when other hominins didn't-but now our expansionist drive is threatening the planet
Glad rags to riches
Sarcastic, self-aware and surprisingly sad, the first volume of Cher's extraordinary memoir mixes hard times with the high life
Sail of the century
Anenigmatic nautical radio bulletin first broadcast 100 years ago, the Shipping Forecast has beguiled and inspired poets, pop stars and listeners worldwide
How does it feel?
A Complete Unknown retells Bob Dylan's explosive rise, but it als resonates with today's toxic fame and politics. The creative team expl their process-and wha the singer made of it all
Jane Austen's enduring legacy lies in her relevance as a foil for modern mores
For some, it will be enough merely to re-read Persuasion, and thence to cry yet again at Captain Wentworth's declaration of utmost love for Anne Elliot.
