Coronavirus antibodies decline after infection, study finds, raising questions about herd immunity – CNBC

AFP via Getty ImagesLONDON– Antibodies versus the coronavirus fall as individuals recover from the illness, according to the findings of a major U.K. study, potentially dealing a blow to those pushing for so-called herd immunity.Researchers from Imperial College London screened 365,000 individuals in England over 3 rounds of testing between June 20 and September 28. Analysis of finger-prick tests carried out at house found that, rather than people building resistance over time, the number of individuals with antibodies that can battle Covid-19 decreased roughly 26% over the research study period.The REACT-2 research study, which has not yet been peer examined, found that 6% of those evaluated had antibodies to the virus when the U.K.s lockdown procedures were relaxed over the summertime.”To date, more than 43.5 million individuals around the world have contracted the coronavirus, with 1.16 million associated deaths, according to information compiled by Johns Hopkins University.Implications for reinfectionThe results of the REACT-2 study revealed a down pattern of antibodies in individuals of all age groups and in all areas of the U.K., however not in health workers. Getty Images”Our research study shows that over time there is a reduction in the proportion of individuals checking favorable for antibodies,” stated Professor Paul Elliott, director of the Real Time Assessment of Community Transmission program at Imperial, and one of the authors of the study.

AFP via Getty ImagesLONDON– Antibodies versus the coronavirus fall as people recuperate from the illness, according to the findings of a major U.K. research study, potentially dealing a blow to those pushing for so-called herd immunity.Researchers from Imperial College London evaluated 365,000 people in England over three rounds of testing in between June 20 and September 28. Analysis of finger-prick tests carried out at house found that, rather than individuals constructing immunity over time, the number of individuals with antibodies that can battle Covid-19 decreased approximately 26% over the research study period.The REACT-2 research study, which has not yet been peer examined, found that 6% of those checked had antibodies to the infection when the U.K.s lockdown measures were relaxed over the summer.”To date, more than 43.5 million individuals around the world have actually contracted the coronavirus, with 1.16 million related deaths, according to information compiled by Johns Hopkins University.Implications for reinfectionThe results of the REACT-2 research study showed a down trend of antibodies in people of all age groups and in all locations of the U.K., but not in health workers.

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