
Tracing in this instance refers to analysis following a coronavirus diagnosis to establish who the patient had been in contact with prior to testing positive for the virus. This tracing initially took place when the virus first broke out in Luxembourg, but was halted during the second phase because the number of infections rose too sharply to follow through.
The Minister of Health explained such tracing methods were only feasible if infections stayed at a low level. Otherwise, the task would become Herculean and therefore impossible.
The Luxembourg government remains sceptical of tracing apps, citing data protection concerns.