Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Estimates of excess mortality for the five Nordic countries during the Covid-19 pandemic 2020-2021
Vaccinations or Non-Pharmaceutical Interventions:Safe Reopening of Schools in England
The Immunogenetic Basis of Idiopathic Bone Marrow Failure Syndromes: A Paradox of Similarity and Self-Presentation
Why is the Vaccination Rate Low in India?
Price-performance comparison of HEPA air purifiers and lower-cost MERV 13/14 filters with box fans for filtering out SARS-Cov-2 and other particulate aerosols in indoor community settings
ALBUMIN CREATININE RATIO AS AN INDICATOR OF NON-HEALING FOOT WOUND FORMATION IN DIABETES
Machine Learning Methods to Predict Survival in Patients Following Traumatic Aortic Injury
The impact of large mobile air purifiers on aerosol concentration in classrooms and the reduction of airborne transmission of SARS-CoV-2
Towards Predicting 30-Day Readmission among Oncology Patients: Identifying Timely and Actionable Risk Factors
Impaired visual processing in psychosis patients with a predisposition for visual hallucinations
Deciphering the heterogeneous niche in the tumor progression of hepatocellular carcinoma: a Spatial single-cell landscape and multi-omics atlas analysis
Clinical prediction of pathogenic variants in non-coding regions of the human genome.
DPP9 deficiency: an inflammasomopathy which can be rescued by lowering NLRP1/IL-1 signaling
Do Lockdowns Bring about Additional Mortality Benefits or Costs? Evidence based on Death Records from 300 Million Chinese People
Additional heterologous versus homologous booster vaccination in immunosuppressed patients without SARS-CoV-2 antibody seroconversion after primary mRNA vaccination: a randomized controlled trial
Method versatility in RNA extraction-free PCR detection of SARS-CoV-2 in saliva samples
Immunodominant B cell epitope in SARS-CoV-2 RBD comprises a B.1.351 and P.1 mutation hotspot: implications for viral spread and antibody escape
Contribution of white matter hyperintensities to ventricular enlargement in older adults
Valuation system connectivity is correlated with poly-drug use in young adults
SARS-CoV-2 and endemic coronaviruses: Comparing symptom presentation and severity of symptomatic illness among Nicaraguan children
Real-time Continuous Measurement of Lactate through a Minimally-invasive Microneedle Biosensor: a Phase I Clinical Study
Reconstructed diagnostic sensitivity and specificity of the RT-PCR test for COVID-19
The risk of drug resistance during long-acting antimicrobial therapy
Choice of Intraoperative Ultrasound adjuncts for Brain Tumor Surgery
Spillover Benefit of Pre-Exposure Prophylaxis for HIV Prevention: Evaluating the Importance of Effect Modification using an Agent-Based Model
Behavioral and psychological symptoms of dementia in different dementia disorders: A large-scale study of 10 000 individuals.