coronavirus, health officials said on Monday, confirming findings from earlier stages.The study, which tested nearly 70,000 people across Spain three times over the past three months, found the virus’ prevalence had not altered significantly since preliminary results were published in May.It also suggested that immunity to the virus can be short-lived, with 14 per cent of participants who tested positive for antibodies in the first stage subsequently testing negative in the last stage.“Immunity can be incomplete, it can be transitory, it can last for just a short time and then disappear,” said Dr.
Raquel Yotti, director of Spain’s Carlos III Health Institute, which co-led the study.[ Sign up for our Health IQ newsletter for the latest.