Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: The changing characteristics of COVID-19 presentations: A regional comparison of SARS-CoV-2 hospitalised patients during the first and second wave.
The impact of real-time whole genome sequencing in controlling healthcare-associated SARS-CoV-2 outbreaks
To what extent do we need to rely on non-pharmaceutical interventions while COVID-19 vaccines roll out in 2021?
Interrogating structural inequalities in COVID-19 Mortality in England and Wales
Identifying intergenerational risk factors for ADHD symptoms using polygenic scores in the Norwegian Mother, Father and Child Cohort
The "throwaways". Conflicts of interest in dermatology publications.
Plasma metabolites associated with cognitive function across race/ethnicities affirming the importance of healthy nutrition
IgG index and not serum 25-hydroxyvitamin D is associated with age at onset of multiple sclerosis.
Effects of polygenic risk for suicide attempt and risky behavior on brain structure in young people with familial risk of bipolar disorder
A triangulated study on non-pharmacological management of Alzheimer's disease in Mauritius
Thromboembolism risk is higher among patients with diabetes and COVID-19 and is associated to poor clinical outcome
Degradation of lipid based drug delivery formulations during nebulization
SARS-CoV-2 specific memory B-cells from individuals with diverse disease severities recognize SARS-CoV-2 variants of concern.
General anxiety and depression are associated with the physical activity and social interaction levels: Study in Argentinean university students during the COVID-19 outbreak
The New Therapeutics in Alzheimer's Disease Longitudinal Cohort study (NTAD): study protocol
Responsiveness to risk explains large variation in COVID-19 mortality across countries
An international, inter-laboratory ring trial confirms the feasibility of an open source, extraction-less "direct" RT-qPCR method for reliable detection of SARS-CoV-2 RNA in clinical samples
Evaluating the role of common risk variation in the recurrence risk of schizophrenia in multiplex schizophrenia families
Sensitive period-regulating genetic pathways and exposure to adversity shape risk for depression
Comparative analysis unveils novel changes in serum metabolites and metabolomic networks of retinopathy of prematurity infants
COVID-19 International Border Surveillance Cohort Study at Toronto's Pearson Airport
Untargeted lipidomics of non-small cell lung carcinoma shows differentially abundant lipid classes in cancer vs non-cancer tissue
Estimates of pandemic excess mortality in India based on civil registration data
Effect of perceived discrimination on depression and suicidal ideation during the COVID-19 pandemic: A large-scale, repeated-measures study in the All of Us Research Program
Psychological resilience, coping behaviours, and social support among healthcare workers during the COVID-19 pandemic: A systematic review of quantitative studies
NO INCREASE IN RELATIVE MORTALITY RATES FOR THOSE WITHOUT A COLLEGE DEGREE DURING COVID-19: AN ANOMALY