COVID-19 spread undetected in US, Europe earlier than believed: study

Press/Media: Research

Period	Dec 8 2021

Media coverage

Title	COVID-19 spread undetected in US, Europe earlier than believed: study
Media name/outlet	Medical Xpress
Country/Territory	United States
Date	8/12/21
URL	https://medicalxpress.com/news/2021-12-covid-undetected-europe-earlier-believed.html
Persons	Ira Longini