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Coronavirus live news: Taiwan receives first Pfizer doses; vaccination nearly halves chance of long Covid – study | World news


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Being double-jabbed almost halves the likelihood of long Covid in adults who get coronavirus, a new study has suggested, PA reports.

Researchers at King’s College London also said that being admitted to hospital with the virus was 73% less likely, and the chances of severe symptoms were reduced by almost a third (31%) in the fully vaccinated.

The team analysed data from more than two million people logging their symptoms, tests and vaccine status on the UK Zoe Covid Symptom Study app between December 8 2020 and July 4 this year.

Some 6,030 app users reported testing positive for Covid-19 at least 14 days after their first vaccination but before their second, while 2,370 reported testing positive at least seven days after their second dose.

The most common symptoms, such as loss of smell, a cough, fever, headaches and fatigue, were milder and less frequently reported by people who were jabbed, the study suggested.

They also said people were half as likely to get multiple symptoms in the first week of illness.

Sneezing was the only symptom more common in those who had a first dose compared with those who had none.

People aged 60 or older who had both doses of a vaccine were more likely to have no symptoms at all than those who had not been jabbed, the study suggested.

The research, published in the Lancet, said: “We found that the odds of having symptoms for 28 days or more after post-vaccination infection were approximately halved by having two vaccine doses.

“This result suggests that the risk of long Covid is reduced in individuals who have received double vaccination, when additionally considering the already documented reduced risk of infection overall.”


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