2 Washington cases of 'COVID-19-like illness' in December raise questions about when disease arrived in US
By Rachael Rettner - Senior Writer 2 days ago
Two residents of Snohomish County, Washington, who fell ill with COVID-19-like symptoms in December have now tested positive for antibodies against the new coronavirus.
https://www.livescience.com/covid-19-like-illness-december-washington.html