UK public urged to get Covid Booster by 11 December if eligible to avoid immune decline | Corona Virus

Ministers are urging millions of Britons to get their Covid booster vaccine by 11 December to ensure they have “very high protection against Covid by Christmas Day” as new evidence shows the risk of infection is increasing over time since the second dose.

The new warning comes after cases broke records in parts of Europe on Wednesday, as the continent once again became the epicenter of a pandemic that has led to new restrictions.

Around 16 million people have received a booster vaccine or a third dose across the UK. Everyone age 40 and older who is clinically severely impaired is eligible for a booster dose six months after the second shot. “If you haven’t yet had your first or second dose or a booster dose, please apply to get vaccinated as soon as you can,” said Maggie Throbe, the Minister for Vaccines.

Department the health The welfare spokesperson added: “People who got a booster vaccine by December 11 will have a very high protection against Covid by Christmas Day. After the number of cases rises and lockdown restrictions return in Europe, those who qualify for a booster payment have been urged to accept the offer as soon as possible. as possible to protect themselves and their families, and help reduce pressure on the NHS.”

Research has previously shown that after two weeks of taking a booster dose, people have a very high level of protection from developing symptoms of Covid disease.

It comes as new research today shows that immunity to infection drops dramatically in the six months following two doses of the Pfizer/BioNTech vaccine. Experts say the main study highlights the importance of reinforcers.

The results, based on a study of 80,000 people in Israel, showed that the chances of a breakthrough infection nearly doubled by four months after the second dose of Pfizer/BioN Tech and increased more than tenfold by six months.

Previous work has shown that vaccines are very effective in preventing hospitalization for at least six months, but that protection against infection drops more sharply, which means that enhanced programs are required to prevent the spread of infection.

“The message is that boosters are required after about five months,” said Ariel Israel of Leumit Health Services, who led the research.

The study published in British Medical Journal, based on the electronic health records of just over 80,000 people who underwent PCR between mid-May and September at least three weeks after their second vaccination. None of the people in the sample had evidence of previous infection with Covid-19.

The study found that the rate of positive results was found to rise in line with the time since people took their second dose. Across all age groups, 1.3% of subjects tested positive after 21-89 days of the second dose, but this percentage increased to 2.4% after 90-119 days; 4.6% after 120-149 days; 10.3% after 150-179 days; and 15.5% after 180 days or more.

The authors said that it appears clear that immunity wanes after the first three months of dual vaccination but returns to a high level after a booster dose.

They said: “Large-scale vaccination campaigns for Covid-19 can achieve control of the spread of the virus, but even in countries with high vaccination rates, breakthrough infection can occur. The risk of [Covid] The incidence in adults who received two injections of the vaccine increased over time since vaccination compared to the reference [individuals vaccinated in the last 90 days]. “

And they said it’s too early to say whether immunity also declines after a third booster dose.

AstraZeneca said the antibody protection of its vaccine is also waning, although its CEO, Pascal Soriot said on Tuesday The vaccine is believed to provide long-term T-cell immunity to older adults, which can be better than other vaccines.

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