Spanish Study Casts Shadow Over COVID-19 Herd Immunity Theory
Spearheaded by Spain’s Ministry of Health, the study states that “At present, herd immunity is difficult to achieve without accepting the collateral damage of many deaths in the susceptible population and overburdening of health systems. Our results, together with previous evidence, suggest that approximately a third of people with SARS-CoV-2 infection remain asymptomatic, which has important public health implications”.
The research was carried out among 61,000 individuals from 36,000 households.
THE NEW LOCKDOWN: Authorities in northeast Spain are barring as many as 200,000 people from leaving the Catalonia region amid a rise in COVID-19 cases, as the UK begins to ease restrictions. @IanPannell reports. https://t.co/WRBLHuAkch pic.twitter.com/UGMXvpVIRE— World News Tonight (@ABCWorldNews) July 4, 2020
It implied that the relatively low seroprevalence observed in the context of an intense epidemic in Spain might serve as a reference to other countries. “Additionally, our results indicate that children and adolescents have lower seroprevalence than adults and seroprevalence does not vary by sex”, the study stated.