这是文章的最后一段:
In addition to potential cross reactivity with human common coronavirus infection other than SARS-CoV-2, the findings in this report are subject to the following limitations. First, none of the sera can be considered “true positives.” A true positive would only be collected from an individual with a positive molecular diagnostic test, or paired acute – convalescent sera with rising titers.
******healthline***/health/coronavirus-vs-sars
因为英文讲了SARS-Cov-2. 这个讲了这个就是新冠病毒的病毒名字。
he virus that causes SARS is known as SARS-CoV, while the virus that causes COVID-19 is known as SARS-CoV-2