Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: CSF sphingomyelin metabolites in Alzheimer's disease, neurodegeneration, and neuroinflammation
Using excess deaths and testing statistics to improve estimates of COVID-19 mortalities
Prevalence of missing data in the National Cancer Database and association with overall survival
Predictive and analysis of COVID-19 cases cumulative total：ARIMA model based on machine learning
Bacille Calmette-Guerin vaccine reprograms human neonatal lipid metabolism in vitro and in vivo
Distinct patterns of treatment response using the Early Start Denver Model with young children with autism spectrum disorder: a cluster analysis
Both COVID-19 infection and vaccination induce high-affinity cross-clade responses to SARS-CoV-2 variants
A rapid review of equity considerations in large-scale testing campaigns during infectious disease epidemics
HIV service interruptions during the COVID-19 pandemic in China: the role of HIV service challenges and institutional response from healthcare professional's perspective
An empirical analysis of what people learned about COVID-19 through a web search and the impacts on misinformation and attitude towards public health safety guidelines.
Direct Comparison of SARS-CoV-2 Nasal RT- PCR and Rapid Antigen Test (BinaxNOW(TM)) at a Community Testing Site During an Omicron Surge
Variability in physical inactivity responses of university students during COVID-19 pandemic: A monitoring of daily step counts using a smartphone application
Cardiorespiratory Fitness and Neuromuscular Performance in Patients Recovered from COVID-19
Pattern and risk factors of menstrual regulation service use among ever-married women in Bangladesh: evidence from a nationally representative cross-sectional survey
Long-term neurological manifestations of COVID-19: prevalence and predictive factors
A Randomised Crossover Trial: Exploring the Dose-Response effect Of Carbohydrate restriction on glycaemia in people with type 2 diabetes (D-ROC2)
Longitudinal Associations between Hair Cortisol, PTSD Symptoms, and Sleep Disturbances in a Sample of Firefighters with Duty-related Trauma Exposure
Robotic walking for recovery of functional capacity in individuals with incomplete spinal cord injury: A randomized pilot trial
Outcomes of laboratory-confirmed SARS-CoV-2 infection in the Omicron-driven fourth wave compared with previous waves in the Western Cape Province, South Africa
Automatic quantification of brain lesion volume from post-trauma MR Images
Geographical and temporal variation in reduction of malaria infection among children under five years of age throughout Nigeria
COVID-19 in pregnancy: characteristics and outcomes of pregnant women admitted to hospital because of SARS-CoV-2 infection in the Nordic countries.
Fibroblast Growth Factor-23 and Risk of Cardiovascular Diseases: a Mendelian Randomisation study
Comparison of Carotid Intima Media Thickness between Women with History of Preeclampsia and Normal Pregnancy: A Meta-Analysis of Systematic Review
A comparison of four commercially available RNA extraction kits for wastewater surveillance of SARS-CoV-2 in a college population
Tracking white and grey matter degeneration along the spinal cord axis in degenerative cervical myelopathy