Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Impact of the COVID-19 pandemic and response on the utilisation of health services during the first wave in Kinshasa, the Democratic Republic of the Congo
Economic Impact Payment, Human Mobility and the COVID-19 Mitigation in the United States
Avoiding false positive SARS-CoV-2 rapid antigen test results with point-of-care molecular testing on residual test buffer
Omicron strain spreads with the doubling time of 3.2-3.6 days in South Africa province of Gauteng that achieved herd immunity to Delta variant
Effectiveness of BBV152 vaccine against SARS-CoV-2 infections, hospitalizations, and deaths among healthcare workers in the setting of high delta variant transmission in New Delhi, India
Mitigating Covid-19 aerosol infection risk in school buildings: the role of natural ventilation, classroom volume, occupancy and face masks
Meta-analysis of COVID-19 patients to understand the key predictors of mortality in the non-vaccinated groups in remote settings
The Failures of an Ideal COVID-19 Vaccine: A Simulation Study
Participatory research in health intervention studies involving migrants: a systematic review
Remote patient monitoring to interrupt chains of respiratory infections in outpatient care - a case-control study during the 2020/21 infection season
Economic Benefits of COVID-19 Screening Tests with a Vaccine Rollout
A comparison of the genes and genesets identified by EWAS and GWAS of fourteen complex traits
Day by day symptoms following positive and negative PCR tests for SARS-CoV-2 in non-hospitalized health-care workers: a 90-day follow-up study
The comparison of Post-Operative Complications pre Covid era versus during Covid-Era based on Clavien-Dindo-classification: A Systematic Review and Meta-Analysis
Immediate recruitment of dormant coronary collaterals can provide more than half of normal resting perfusion during coronary occlusion in patients with coronary artery disease
Deep Learning based Intraretinal Layer Segmentation using Cascaded Compressed U-Net
The Balancing Role of Distribution Speed against Varying Efficacy Levels of COVID-19 Vaccines under Variants
Clinical description, molecular delineation, and genotype-phenotype correlation in KBG syndrome: 67 new patients and review of the literature.
The impact of relationship to cancer patient and extent of caregiving on adherence to cancer screening in a diverse inner-city community
Multi-strain fermented milk promotes gut microbiota recovery after Helicobacter pylori therapy: a randomised, controlled trial
Transient infection with SARS-CoV-2 without induction of systemic immunity
Causal influence of dietary habits on the risk of major depressive disorder: A diet-wide Mendelian randomization analysis
Health inequities in SARS-CoV-2 infection, seroprevalence, and COVID-19 vaccination: Results from the East Bay COVID-19 study
Consistency of performance of adverse outcome prediction models for hospitalized COVID-19 patients
Exploring human mixing patterns based on time use and social contact data and their implications for infectious disease transmission models
High prevalence of burnout syndrome among medical and nonmedical residents during the COVID-19 pandemic