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In the study, 19 percent of those who participated, did not produce antibodies after being infected. The ZOE Covid Study, therefore claims those who do not produce antibodies after being infected, could be at increased risk of future Covid infection. The analysis revealed two main negative predictors for those not producing antibodies were being a current smoker or having one or more comorbidities.
Indeed, professor Tim Spector, lead scientists of the study said the numbers show anyone of poorer health is at risk of having no protection after infection rather than just those of old age or being unvaccinated.
Professor Spector said: “Our data shows that the best way to protect yourself and others from COVID-19, even if you have had the virus previously, is to have two doses of vaccine and the booster when offered.
“While antibodies seem to endure following natural infection, 1 in 5 people won’t get any clear protective benefit from their infection, especially if they had mild or asymptomatic infection, or if they have comorbidities or unhealthy habits like smoking.
“It’s interesting to observe that, unlike vaccination, it’s not just older, frailer or overweight adults who gain least protection from a previous infection, but rather anyone with poorer overall health.
“This supports our previous findings that have shown longer-term protection gained from the COVID-19 vaccines is more effective than natural antibodies gained from infection.”
While 19 percent did not receive any protection, 81 percent did show antibodies.
The antibodies within that 81 percent remained for up to 270 days after infection in contrast to the gradual wane of a vaccine.
The findings pointed to three significant elements to the likelihood of having increased antibodies: a greater number of symptoms during the past infection, classic symptoms such as fever during the past infection, and higher baseline incidence at the time of the positive test.
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Over the last seven days, 239,782 tested positive which is 47,786 less than October 26 to November 1.
A further 57 deaths were reported on Monday, taking the seven-day total to 1,191 – a rise of 8.2 percent on the previous week.
In terms of hospitalisation, 1,054 were reported on Monday.
Over the last seven days, 7,249 have been admitted which is an increase of three percent on the previous week.
Speaking on Monday, the Prime Minister encouraged more people to book a booster jab.
He also claimed too many elderly people are being hospitalised with Covid.
Mr Johnson said: “We’re starting to see too many elderly people getting into hospital.
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