Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Risk factors for bacterial infections in patients with moderate to severe COVID-19: A case control study
Estimation of local time-varying reproduction numbers in noisy surveillance data
Expression of deubiquitinases in human gingiva and cultured human gingival fibroblasts
OASIS+: leveraging machine learning to improve the prognostic accuracy of OASIS severity score for predicting in-hospital mortality
Longitudinal changes of white matter hyperintensities in sporadic small vessel disease: a systematic review and meta-analysis
COVID-19 in the Republic of Belarus: pandemic features and the interim safety and efficacy assessment of the Gam-COVID-Vac vaccine
A Deep Learning-based Genome-wide Polygenic Risk Score for Common Diseases Identifies Individuals with Risk
A Survey of Copy Number Variants Associated with Neurodevelopmental Disorders in a Large-Scale, Multi-Ancestry Biobank
Second versus first wave of COVID-19 deaths: shifts in age distribution and in nursing home fatalities
Whole-exome sequencing in 16,511 individuals reveals a role of the HTRA1 protease and its substrate EGFL8 in brain white matter hyperintensities
COVID-19 transmission in educational institutions August to December 2020, Rhineland-Palatinate, Germany: a study of index cases and close contact cohorts
Extension of Community Healthcare Outcomes in Parkinson Disease (Parkinson ECHO): A Feasibility Study
Longitudinal DNA Methylation Profiling of the Rectal Mucosa Identifies Cell-specific Signatures of Disease Status, Severity and Clinical Outcomes in Ulcerative Colitis
The impact of the coronavirus disease 2019 (COVID-19) outbreak on cancer practice in Japan: using an administrative database
Evaluation of the Weightage on Pain Management in Pharmacology Curricula of the Undergraduate Medical Program (MBBS) of Bangladesh
Background rates of all-cause mortality, hospitalizations, and emergency department visits among nursing home residents in Ontario, Canada to inform COVID-19 vaccine safety assessments
Genome-wide association analysis and Mendelian randomization proteomics identify novel protein biomarkers and drug targets for primary prevention of heart failure
Predictive targeting of mitochondrial metabolism in Acute Myeloid Leukemia patients with a lipoic acid analog
"If somebody had told me I'd feel like I do now, I wouldn't have believed them"    Older adults' experiences of the BELL trial: a qualitative study
ExPRSweb - An Online Repository with Polygenic Risk Scores for Common Health-related Exposures
Polygenic coronary artery disease association with brain atrophy in the cognitively impaired
Disentangling independent and mediated causal relationships between blood metabolites, cognitive factors, and Alzheimer's Disease
Lead-OR: A Multimodal Platform for Deep Brain Stimulation Surgery
The Impact of Distractions on Intracortical Brain-Computer Interface Control of a Robotic Arm
Cardiorespiratory Fitness and Neuromuscular Performance in Patients Recovered from COVID-19
A sensitive and rapid wastewater test for SARS-COV-2 and its use for the early detection of a cluster of cases in a remote community