Abstract:From the very beginning of the SARS-CoV-2 pandemic, one of the very few common opinions was that to control the expansion of the virus as many as the possible test had to be done. Antigen tests, being affordable and easy and fast to use, represented a great opportunity to expand the testing capacities of many healthcare systems. However, in 2021 with the appearance of the new SARS-CoV-2 variants, variant tracking strategies had to be implemented, which often included needing a second test to determine the vari… Show more
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