Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Humoral immune response in inactivated SARS-CoV-2 vaccine: When should a booster dose be administered?
Immune Responses in Fully Vaccinated Individuals Following Breakthrough Infection with the SARS-CoV-2 Delta Variant in Provincetown, Massachusetts
Impact of social support, loneliness & social isolation on sustained physical activity during the COVID-19 pandemic
Multispectral Imaging for MicroChip Electrophoresis Enables Point-of-Care Newborn Hemoglobin Variant Screening
Human lipoproteins comprise at least 12 different classes that are lognormally distributed.
In vitro, classical complement activation differs by disease severity and between SARS-CoV-2 antigens
Longitudinal Evaluation of Magnetic Resonance Spectroscopy Metabolites as Biomarkers in Huntingtons Disease
No proof for retinal amyloid after oral curcumin in amyloid confirmed AD cases
Revisiting the diagnostic criteria for emergence from the minimally conscious state: An empirical investigation
Brain age prediction using fMRI network coupling in youths and associations with psychiatric symptoms
Modeling SARS-CoV-2 transmission at a winter destination resort region with high outside visitation
Performance of a machine learning model in recognition of normal tissue from histological sections
An effect of the COVID-19 pandemic: significantly more complicated appendicitis due to delayed presentation of patients!
Environmental factors and mobility predict COVID-19 seasonality
Risk factors for SARS-CoV-2 infection after primary vaccination with ChAdOx1 nCoV-19 or BNT1262b2 and after booster vaccination with BNT1262b2 or mRNA-1273: a population-based cohort study (COVIDENCE UK)
Understanding community level influences on COVID-19 prevalence in England: New insights from comparison over time and space
The unmutated common ancestor of Gp41 conformational epitope targeting variable heavy chain 1-02 utilizing antibodies maintains antibody dependent cell cytotoxicity
Contact tracing indicators for COVID-19: rapid scoping review and conceptual framework
Clinical implementation and initial experience with a 1.5 Tesla MR-linac for MR-guided radiotherapy for gynecologic cancer: An R-IDEAL stage 1/2a first in humans/feasibility study of new technology implementation
(SARS-CoV-2) COVID 19: Genomic surveillance and evaluation of the impact on the population speaker of indigenous language in Mexico
Behavioral nudges increase COVID-19 vaccinations: Two randomized controlled trials
Relative humidity predicts day-to-day variations in COVID-19 cases in the city of Buenos Aires
A comparative analysis of depression between pregnant and non-pregnant adolescents in a southwestern town in Nigeria
Optimal symptom combinations to aid COVID-19 case identification: analysis from a community-based, prospective, observational cohort
Serious underlying medical conditions and COVID-19 vaccine hesitancy.
Prenatal Acetaminophen, Adverse Birth Outcomes, and ADHD: Mediation Analysis in a Prospective Cohort