Drawing on multiple research efforts, including studies by the U.S. Centers for Disease Control and Prevention (CDC) and National Institutes of Health (NIH), findings suggest that SARS-CoV-2 was likely circulating in the U.S. well before the first known
Someone I know in the US had an unusual, severe, flu-like illness in November of 2019. Could have been a coincidence, but it always made me suspicious.
same, both of my parents got this in December 2019
Same here actually, including the one who would later turn out to be an asymptomatic carrier not getting the mystery flu.