Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: The Global case-fatality rate of COVID-19 has been declining disproportionately between top vaccinated countries and the rest of the world
Modelling the Impact of Delaying Vaccination Against SARS-CoV-2 Assuming Unlimited Vaccines Supply
Rapid spread of a SARS-CoV-2 Delta variant with a frameshift deletion in ORF7a
Frequency and neural correlates related to psychosis in motor neurone disease
Anti-CD38 therapy impairs SARS-CoV-2 vaccine response in multiple myeloma patients
Non-replication of structural brain changes from Mindfulness-Based Stress Reduction: Two combined randomized controlled trials
Evaluation of albumin kinetics in mechanically ventilated patients with COVID-19 compared to those with sepsis-induced ARDS
Investigating a possible causal relationship between maternal serum urate concentrations and offspring birthweight: A Mendelian randomization study
Perceptions on undertaking regular asymptomatic self-testing for COVID-19 using lateral flow tests: A qualitative study of university students and staff
First identification of SARS-CoV-2 Lambda (C.37) variant in Southern Brazil
Impact of Recent Job Loss on Sleep, Energy Consumption and Diet
Program and patient characteristics for the United States Expanded Access Program to COVID-19 convalescent plasma
Economic Benefits of COVID-19 Screening Tests with a Vaccine Rollout
Self-Reliance, Social Norms, and Self-Stigma as Barriers to Psychosocial Help Seeking Among Rural Cancer Survivors with Cancer-Related Distress
Medical student residency preferences and motivational factors: a longitudinal, single-institution perspective
The hyper-transmissible SARS-CoV-2 Omicron variant exhibits significant antigenic change, vaccine escape and a switch in cell entry mechanism
Pelvic Pain: what are the symptoms and predictors for surgery, endometriosis and endometriosis severity?
Impact of OSA Treatment Success on Changes in Hypertension and Obesity: A Retrospective Cohort Study
Not all mosquitoes are created equal: incriminating mosquitoes as vectors of arboviruses
Occupational risks of COVID-19 in NHS workers in England
Effects of Age and Knee Osteoarthritis on the Modular Control of Walking: A Pilot Study
Age-stratified normative cognitive scores in urban and rural Maharashtra -- a community-based study
Impact of COVID-19 shelter-in-place order on transmission of gastrointestinal pathogens in Northern California
An expanded population of CD8dim T cells with features of mitochondrial dysfunction and senescence is associated with persistent HIV-associated Kaposis sarcoma under ART
Associations between gestational weight gain adequacy and neonatal outcomes in Tanzania
Autologous cardiac micrografts as support therapy to coronary artery bypass surgery