Instruct: Identify the main category of Medrxiv papers based on the titles
Query: Outbreak of COVID-19 among vaccinated and unvaccinated homeless shelter residents- Sonoma County, California, July 2021
43
The categories of this paper are: environmental
73
The categories of this paper are: toxicology
66
The categories of this paper are: dentistry
53
The categories of this paper are: pathology
3
The categories of this paper are: sexual
27
The categories of this paper are: quality
71
The categories of this paper are: ethics
38
The categories of this paper are: hiv
20
The categories of this paper are: psychiatry
2
The categories of this paper are: medicine
34
The categories of this paper are: therapy
8
The categories of this paper are: epidemiology
28
The categories of this paper are: nutrition
68
The categories of this paper are: surgery
1
The categories of this paper are: sports
65
The categories of this paper are: oral