2 ms·
According to the paper : All samples came out to be negative for the presence of SARS-CoV-2 genomes with the exception of March 12, 2019, in which both IP2 an
by gallexme 6y ago
According to the paper :
All samples
came out to be negative for the presence of SARS-CoV-2 genomes with the exception
of March 12, 2019, in which both IP2 and IP4 target assays were positive. This striking
finding indicates circulation of the virus in Barcelona long before the report of any
COVID-19 case worldwide.