“We are encouraging people to get their 2nd jab as soon as they can.”
Lead researcher Doctor Claire Steves added: “In terms of the burden of Long Covid, it’s good news that our research has found that having a double vaccination significantly reduces the risk of both catching the virus and if you do for, developing long standing symptoms.
“However, among our frail, older adults and those living in deprived areas the risk is till significant and they should urgently prioritised for second and booster vaccinations.”
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 halve by having two vaccine doses.