Latest study in Spain around 1-1.3. 70,000 participants. https://english.elpais.com/society/2020-05-14/antibody-study-shows-just-5-of-spaniards-have-contracted

Latest study in Spain around 1-1.3. 70,000 participants. https://english.elpais.com/society/2020-05-14/antibody-study-shows-just-5-of-spaniards-have-contracted-the-coronavirus.html https://english.elpais.com/society/2020-05-14/antibody-study... Most studies in Europe show this: 0,5 - 1.