Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: International travel in times of the COVID-19 pandemic: Evidence from German school breaks
Follow-up study in the ski-resort Ischgl: Antibody and T cell responses to SARS-CoV-2 persisted for up to 8 months after infection and transmission of virus was low even during the second infection wave in Austria
Combination therapy of Tocilizumab and steroid for management of COVID-19 associated cytokine release syndrome: A single center experience from Pune, Western India
Remote virtual reality assessment elucidates self-blame-related action tendencies in depression
Reference values and validation of the 1-min sit-to-stand test in healthy 5- to 16-year-old youth: a cross-sectional study
Unveiling Sex-based Differences in Parkinson's Disease: A Comprehensive Meta-analysis of Transcriptomic Studies
Results From the REsCue Trial: A Randomized Controlled Trial with Extended-Release Calcifediol in Symptomatic Outpatients with COVID-19.
An ergonomic assessment tool for evaluating the effect of back exoskeletons on injury risk
Nutritional Status in Patients with Acute heart failure: A systematic review and meta-analysis with trial sequential analysis.
Comparable Neutralization of the SARS-CoV-2 Omicron BA.1 and BA.2 Variants
On the anti-correlation between COVID-19 infection rate and natural UV light in the UK
Genetic overlap between major depression, bipolar disorder and Alzheimer's Disease
Distorted TCR repertoires define multisystem inflammatory syndrome in children
Illusory social agents within and beyond voices: a computational linguistics analysis of the experience of psychosis
Surveillance of SARS-CoV-2 lineage B.1.1.7 in Slovakia using a novel, multiplexed RT-qPCR assay
Increase in preterm stillbirths and reduction in iatrogenic preterm births for fetal compromise: a multi-centre cohort study of COVID-19 lockdown effects in Melbourne, Australia
Glucose and lipid profiles in men with non-obstructive azoospermia
Moment-to-moment brain signal variability reliably predicts psychiatric treatment outcome
Resting State fMRI for Motor Cortex Mapping in Children with Epilepsy
Evaluation of a Rapid and Accessible RT-qPCR Approach for SARS-CoV-2 Variant of Concern Identification
Structural differences between healthy subjects and patients with schizophrenia and schizoaffective disorder: A graph and control theoretical perspective
Gut-bladder axis syndrome associated with recurrent UTIs in humans
Impact Of Adaptive Natural Killer Cells, KLRC2 Genotype And Cytomegalovirus Reactivation On Late Mortality In Patients With Severe Covid-19 Lung Disease
Covid-19 vaccine effectiveness against general SARS-CoV-2 infection from the omicron variant: A retrospective cohort study
Role of FYVE and Coiled-Coil Domain Autophagy Adaptor 1 in severity of COVID-19 infection: from GWAS hit to therapeutic hypothesis
COVID-19 Vaccination and Healthcare Demand