According to domestic media
However, according to the latest news, it is not certain that the small foreign aid of Beijing Enterprises, Hadrew Harrison, will not be able to play in the new season. According to the hospital's examination: the antibody test for the new coronavirus is to detect IgM and IgG. If the infection is occurring, the IgM is positive. If the IgG is positive, it means that it is a previous infection and has been cured. Harrison's IgM is negative, IgG is positive, and the three reports of nucleic acid tests are negative. It shows that he is a previously infected person but has recovered.