Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: The Ophthalmic Surgical Backlog caused by the COVID-19 Pandemic: A population-based and microsimulation modelling study
General practitioner wellbeing during the COVID-19 pandemic: a qualitative interview study
Behavioral and neural dissociation of social anxiety and loneliness
Time-Varying Effectiveness of Three Covid-19 Vaccines in Puerto Rico
Vaccines provide disproportional protection to the increased hospitalisation risk posed by the Delta variant of SARS-CoV2: a meta-analysis
Noninvasive Epileptogenic Signal Direction Determination by Effective Connectivity of Resting State Functional MRI - Independent of EEG
Characterization and Mitigation of Model Bias in Parametric Mapping of Dopamine Response to Behavioral Challenge
Global surveillance of potential antiviral drug resistance in SARS-CoV-2: proof of concept focussing on the RNA-dependent RNA polymerase
The relationship between relative aerobic load, energy cost, and speed of walking in individuals post-stroke
Bean extract-based gargle for efficient diagnosing COVID-19 at early-stage using rapid antigen tests: a clinical, prospective, diagnostic study
Soft-Attention Improves Skin Cancer Classification Performance
Safety and Immunogenicity of Nanocovax, a SARS-CoV-2 Recombinant Spike Protein Vaccine
The Relationship of Vaccine Uptake and COVID-19 Infections among Nursing Home Staff and Residents in Missouri
A Cross-Sectional Survey of the Knowledge, Attitudes & Practices of Antimicrobial Users and Providers in an Area of High-Density Livestock-Human Population in Western Kenya
Differential pre-pandemic IgA reactivity against SARS-CoV-2 and circulating human coronaviruses measured in milk collected in Uganda and the USA
Recovery from the COVID-19 pandemic by mass vaccination: emergent lessons from the United States and India
Power Law in COVID-19 Cases in China
Influence of past infection with SARS-CoV-2 on the response to the BioTech/ Pfizer BNT162b2 mRNA vaccine in health care workers: kinetics and durability of the humoral response
A novel biomechanical injury risk score demonstrates correlation with lower limb posterior chain injury in fifty elite level rugby union athletes
Understanding the cultural environment of the outpatient care setting for patients with dementia receiving cancer treatment: a qualitative study
Deep Sequence Modeling for Pressure Controlled Mechanical Ventilation
Identifying Clinical Risk Factors for Opioid Use Disorder using a Distributed Algorithm to Combine Real-World Data from a Large Clinical Data Research Network
Vagus nerve cross-sectional area in patients with Parkinsons Disease; an ultrasound case-control study
Critical interventions for demand generation in Zambia, Nepal, and Senegal with regards to the 5C psychological antecedents of vaccination
A Novel Olfactory Self-Test Effectively Screens for COVID-19
A randomized clinical trial of a booster dose with low versus standard dose of AZD1222 in adult after 2 doses of inactivated vaccines