Coronavirus: Was Sweden right? Study suggests 'significantly higher' Covid-19 immunity Michael Daly15:01, Jul 02 2020 -- -- Britain's Director of Health Improvement, Professor John Newton, says that the science on coronavirus immunity "is still uncertain". -- A new study in Sweden is raising hopes immunity to Covid-19 among the public is “probably significantly higher” than has been suggested by the results of testing for antibodies of the disease. -- -- Covid-19. The Swedish approach has widely been described as herd immunity, although the country’s health officials don’t describe it that way. -- -- READ MORE: * Coronavirus: Still a mystery if contracting Covid-19 makes you immune * Coronavirus: What do we know about immunity, and why does it matter? * Coronavirus: Vaccine optimism is misplaced, the Covid-19 breakthrough will come elsewhere -- -- The researchers analysed samples from 203 people and said their results indicated roughly twice as many people had developed Covid-19 immunity through T-cells, than had developed detectable antibodies. -- -- antibody response, but many still showed a marked T-cell response. T-cell immunity was also found in people who had no Covid-19 symptoms but who had been exposed to family members known to be infected. -- -- and only done in specialised laboratories, the release said. “Our results indicate that public immunity to Covid-19 is probably significantly higher than antibody tests have suggested,” Professor Hans-Gustaf Ljunggren, from the Centre for Infectious Medicine at the -- -- to determine whether exposed and infected people – specially those without symptoms or only very mild forms of the disease – developed robust immunity. The T-cell response to Sars-CoV-2 was similar to the reaction seen to