BREAKING NEWS: Preliminary results of Spain's seroprevalence study #ENECOVID.

>60,000 participants

Antibodies for #SARSCoV2:
5% of Spanish population
11% in region with highest incidence (Madrid)

So far from herd immunity in country with 2nd largest number of cases after U.S. https://twitter.com/desdelamoncloa/status/1260612372877754368

Quick and dirty calculation of mortality risk:

27,100 #COVID19 deaths
divided by
a preliminary estimate of 2.35M with IgG antibodies in early May (5% of a population of 47M)

= 1.2%

A ballpark estimate that may change after statistical adjustments and validation studies.