Instruct: Identify the main category of Medrxiv papers based on the titles
Query: Anti SARS-CoV2 seroprevalence in Zanzibar in 2021 before the Omicron wave
35
The categories of this paper are: pediatrics
8
The categories of this paper are: epidemiology
20
The categories of this paper are: psychiatry
22
The categories of this paper are: clinical
61
The categories of this paper are: dermatology
29
The categories of this paper are: anesthesia
69
The categories of this paper are: palliative
51
The categories of this paper are: education
64
The categories of this paper are: ophthalmology
31
The categories of this paper are: imaging
32
The categories of this paper are: rehabilitation
17
The categories of this paper are: informatics
66
The categories of this paper are: dentistry
23
The categories of this paper are: gastroenterology
11
The categories of this paper are: policy
33
The categories of this paper are: physical