Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: The impact of the COVID-19 pandemic on gastrointestinal infection trends in England, February - July 2020
Increased vulnerability to SARS-CoV-2 infection among indigenous people living in the urban area of Manaus
The immunogenicity against variants of concern and reactogenicity of four COVID-19 booster vaccinations following CoronaVac or ChAdOx1 nCoV-19 primary series
Feasibility and lessons learned on remote trial implementation from TestBoston, a fully remote, longitudinal, large-scale COVID-19 surveillance study
Genetic landscape of rare autoinflammatory disease variants in Qatar and Middle Eastern populations through the integration of whole-genome and exome datasets
Gastrointestinal carriage of Klebsiella pneumoniae in a general adult population in Norway: a cross-sectional study of risk factors and bacterial genomic diversity
Efficacy of Acceptance and Commitment Therapy in Daily Life (ACT-DL) in early psychosis: Results from the multi-center INTERACT randomized controlled trial
Improving the Diagnosis of SIBO Using an At-Home Handheld App Connected Breath Analysis Device (AIRE)
A Multilayer Model for Early Detection of COVID-19
Role of Inflammation in Depression and Anxiety: Tests for Disorder Specificity, Linearity and Potential Causality of Association in the UK Biobank
Why promising drugs are shelved and barriers and facilitators to re-purposing them: A systematic literature review
Upper airway gene expression reveals a more robust innate and adaptive immune response to SARS-CoV-2 in children compared with older adults
The global distribution of COVID-19 vaccine: The role of macro-socioeconomics measures
Relative deprivation in income, tobacco chewing and bidi smoking among Indian adults: Findings from a cross-sectional national study
Impact of COVID-19 restrictions on diabetes health checks and prescribing for people with type 2 diabetes: a UK-wide cohort study involving 618,161 people in primary care
GALC variants affect galactosylceramidase enzymatic activity and risk of Parkinson's disease
Association of comorbidities with COVID-19 infection rate and severity: nationwide cohort study with propensity score matching
Prediction Model for Severe Community-acquired Pneumonia Development among Patients with Diabetes Mellitus
Declines and pronounced regional disparities in prescription opioid use in the United States
Pre-morbid use of proton pump inhibitors has no effect on the risk of death or hospitalization in COVID-19 patients: a matched cohort study
TROPONIN IS INDEPENDENTLY ASSOCIATED WITH DEATH IN PATIENTS WITH COVID: A RETROSPECTIVE STUDY
Features importance in seizure classification using scalp EEG reduced to single timeseries
Efficacy and Safety of Viable Selective Germline Genome  Edited Pigs Skin Xenotransplants in Patients with Thermal Burns
Multi-ethnic polygenic risk modifies the association between APOL1 high risk genotypes and chronic kidney disease
A Decision Analytics Model to Optimize Investment in Interventions Targeting the HIV PrEP Cascade of Care
Humoral immune response of patients infected by earlier lineages of SARS-CoV-2 neutralizes wild types of the most prevalent variants in Brazil