NHS data shows that only a very small proportion of people who have received a Covid vaccine have been admitted to hospital with the virus and died. Around 70% of these people caught Covid before the vaccine would be expected to work, according to a new study, and many were also elderly and frail. The Guardian has the story.
A small number of people vaccinated against Covid have been admitted to hospital with the disease and died, researchers have found, but most were frail and elderly and caught the virus before the jab could have taken effect.
Scientists say their findings are reassuring. They bear out the conclusions of trials of the vaccines in use in the U.K., which show the jabs are highly effective but do not protect everyone.
The ISARIC/Co-CIN study was designed to give the Government’s scientific advisory body, SAGE, an early signal of whether or not the vaccines were working.
“We’re saying that the vaccine does work. In fact, this is good real-world evidence of it working, but there are some few failures. And when these failures do occur, sadly, people die, but that’s because they’re elderly and frail,” said Professor Calum Semple, a Co-Lead of ISARIC (International Severe Acute Respiratory and Emerging Infection Consortium).
More than 52,000 people were admitted to hospital with Covid in England, Scotland and Wales between December 8th and March 10th. Of those, 3,842 had been vaccinated. The researchers had information on the date of the first dose of vaccine for 3,598 of them and information on the date of a second dose for 140.
The vaccines would not be expected to work fully until three weeks after they were given, said Dr Annemarie Docherty, an Honorary Consultant in Critical Care at the University of Edinburgh. Most of those admitted post-vaccination were infected just before or in the couple of weeks after receiving their jab. The median time from vaccination to symptoms in the study was 15 days.
“Around 71% of the vaccinated patients that we have in hospital in Isaric developed their symptoms before the vaccine would be expected to work,” she said. “So we’re really only talking about 29% of these patients where we would have hoped the vaccine to prevent hospital admission.”
A total of 526 patients out of 52,000 (1%) had been vaccinated more than three weeks before they developed Covid symptoms and were hospitalised. Of those, 113 died. Most of them (97) were in the two highest risk categories, so frail, elderly or otherwise highly vulnerable.
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