摘要
Currently,detecting SARS-CoV-2 RNAs is a standard approach for COVID-19 diagnosis.However,there is an urgent need for reliable and rapid serological diagnostic methods to screen SARS-CoV-2-infected people including those who do not have overt symptoms.Most emerging studies described serological tests based on detection of SARS-CoV-2-specific IgM and IgG.1–4 Although detection of SARS-CoV-2-specific IgA in serum has been reported in few papers,5,6 analyses of IgA levels in a larger number of COVID-19 patients are still lacking.
基金
We acknowledge funding support from the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB29030104)
National Natural Science Foundation of China(Grant Nos.:31870731 and U1732109)
the Fundamental Research Funds for the Central Universities(WK2070000108)
a COVID-19 special task grant supported by Chinese Academy of Science Clinical Research Hospital(Hefei)(YD2070002017 and YD2070002001)
the new medical science fund of USTC(WK2070000130).
