# Level of underreporting including underdiagnosis before the first peak of COVID-19 in various countries: Preliminary retrospective results based on wavelets and deterministic modeling

> Research article (Infection Control and Hospital Epidemiology, 2020) · cited 125× · AI/ML

**Wikidata**: [openalex:W3015512447](https://www.wikidata.org/wiki/openalex:W3015512447)  
**Source**: https://4ort.xyz/entity/level-of-underreporting-including-underdiagnosis-before-the-first-peak-of-covid-19-in-various-countries-preliminary-retr