Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: The tiered restrictions enforced in November 2020 did not impact the epidemiology of the second wave of COVID-19 in Italy.
Investigating the first wave of the COVID-19 pandemic in Ukraine using epidemiological and genomic sequencing data
Investigating childhood maltreatment as a modifier of genetic risk for cardiovascular disease in the UK Biobank
Ranitidine use, N-Nitrosodimethylamine (NDMA) production and variations in cancer diagnoses
The I-KID Study Protocol: Evaluation of Efficacy, Outcomes and Safety of a New Infant Haemodialysis and Ultrafiltration Machine in Clinical Use: a Randomised Clinical Investigation using a Cluster Stepped-wedge Design.
Forecasting seizure likelihood with wearable technology
COVID-19 Vaccine Hesitancy in Underserved Communities of North Carolina
Therapeutic effects of different timing for PTCD and ERCP in obstructive severe acute biliary pancreatitis
Pre-Exposure Prophylaxis with Various Doses of Hdroxychloroquine among high-risk COVID 19 Healthcare Personnel: CHEER randomized controlled trial
Description of a University COVID-19 Outbreak and Interventions to Disrupt Transmission, Wisconsin, August - October 2020.
Childhood Trauma Exposure Increases Long COVID Risk
Patient ABO blood type is a major predictor of a positive DAT following a transfusion reaction
SARS-CoV-2 Spike S1-specific IgG kinetic profiles following mRNA- versus vector-based vaccination in the general Dutch population
Educational attainment as a modifier of the effect of polygenic scores for cardiovascular risk factors: cross-sectional and prospective analysis of UK Biobank
Development and evaluation of a machine learning-based in-hospital COvid-19 Disease Outcome Predictor (CODOP): a multicontinental retrospective study
Identification of a novel proteomic Biomarker in Parkinson's Disease: Discovery and Replication in Blood, brain and CSF
The impact of heating, ventilation and air conditioning (HVAC) design features on the transmission of viruses, including the 2019 novel coronavirus (COVID-19): a systematic review of humidity
SARS-CoV-2 variants associated with vaccine breakthrough in the Delaware Valley through summer 2021
Altered prefrontal signaling during inhibitory control in a salient drug context in human cocaine addiction
SARS-CoV-2 evolved during advanced HIV disease immunosuppression has Beta-like escape of vaccine and Delta infection elicited immunity
Acetylation of Adenine Nucleotide Translocase, Fuel Selection, and Metabolic Flexibility in Human Skeletal Muscle
Innovative Randomized Phase 1 Study and Dosing Regimen Selection to Accelerate and Inform Pivotal COVID-19 Trial of Nirmatrelvir
Cohort Identification Using Semantic Web Technologies: Triplestores as Engines for Complex Computable Phenotyping
Humoral and T-cell immune response after three doses of mRNA SARS-CoV-2 vaccines in fragile patients: the Italian VAX4FRAIL study
Estimating the long-term effects of population-wide screening for latent and active tuberculosis in the Republic of the Marshall Islands
Resting State fMRI for Motor Cortex Mapping in Children with Epilepsy