Instruct: Identify the main category of Medrxiv papers based on the titles
Query: Association study of HLA with the kinetics of SARS-CoV-2 spike specific IgG antibody responses to BNT162b2 mRNA vaccine
62
The categories of this paper are: orthopedics
59
The categories of this paper are: respiratory
6
The categories of this paper are: and
29
The categories of this paper are: anesthesia
54
The categories of this paper are: gynecology
63
The categories of this paper are: pain
2
The categories of this paper are: medicine
42
The categories of this paper are: occupational
52
The categories of this paper are: nursing
21
The categories of this paper are: psychology
31
The categories of this paper are: imaging
51
The categories of this paper are: education
34
The categories of this paper are: therapy
4
The categories of this paper are: reproductive
43
The categories of this paper are: environmental
64
The categories of this paper are: ophthalmology