Before revision:  We aim to estimate the total number of COVID-19 infections in a straightforward manner using a demographic scaling model. This model is broadly applicable as it is based on little input data : deaths attributable to COVID-19 , COVID-19 infection fatality rates  , and life tables.
After revision:  We aim to estimate the total number of COVID-19 infections using an broadly applicable approach that is based on little input data : deaths attributable to COVID-19 , COVID-19 infection fatality rates , and life tables.