Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: SARS-CoV-2 Seroepidemiology in Children and Adolescents
A study protocol for community use of digital auscultation to improve diagnosis of paediatric pneumonia in Bangladesh
Recent COVID-19 vaccination is associated with modest increases in the physiological demands to graded exercise
COVID-19 infection and subsequent psychiatric morbidity, sleep problems and fatigue: analysis of an English primary care cohort of 226,521 positive patients
Hot days and Covid19 - unusual heat stress for nursing professions in Germany
COVID-Nets: Deep CNN Architectures for Detecting COVID-19 Using Chest CT Scans
Permissive Omicron breakthrough infections in individuals with binding or neutralizing antibodies to ancestral SARS-CoV-2
Transdiagnostic neurocognitive deficits in patients with type 2 diabetes mellitus, major depressive disorder, bipolar disorder, and schizophrenia: A 1-year follow-up study
Overexpression of long non coding RNA OR3A4 is associated with altered p38 signalling, morphological and phenotypic changes, and reduced immunogenicity in Barretts Oesophagus
Aerosol emission rates from playing wind instruments -- Implications for COVID-19 transmission during music performance
Safety and immunogenicity of a high-dose quadrivalent influenza vaccine administered concomitantly with a third dose of the mRNA-1273 SARS-CoV-2 vaccine in adults >= 65 years of age: a Phase II, open-label study
Is sobriety from alcohol necessary for evaluation of patients presenting with suicidal ideation?
Prospective evaluation of ID NOW COVID-19 assay used as point-of-care test in an Emergency Department
Evaluation and risk communication of effects of alcohol exposure on disposable procedure masks and portable air purifiers
Advancing our understanding of skeletal muscle across the lifecourse: protocol for the MASS_Lifecourse Study and characteristics of the first 80 participants
Reduced motor unit discharge rates in gastrocnemius lateralis, but not in gastrocnemius medialis or soleus, in runners with Achilles tendinopathy
Analysis of screening results of high-risk population of stroke in Northern Henan Province
The acute effects of knee extension exercises with different contraction durations on the subsequent maximal knee extension torque for athletes with different strength levels
Clinically visible progression indicators in age-related macular degeneration are transdifferentiated retinal pigment epithelium
Computational analysis of peripheral blood smears detects disease-associated cytomorphologies
A multidimensional cross-sectional analysis of COVID-19 seroprevalence among a police officer cohort: The PoliCOV-19 study
Classifying Drug Ratings Using User Reviews with Transformer-Based Language Models
Overall and cause-specific hospitalisation and death after COVID-19 hospitalisation in England: cohort study in OpenSAFELY using linked primary care, secondary care and death registration data
Cerebral Organoids Containing an AUTS2 Missense Variant Model Microcephaly
Social relationships and activities following elimination of SARS-CoV-2: a qualitative cross-sectional study
Effectiveness of Face Masks in Blocking the Transmission of SARS-CoV-2: a Preliminary Evaluation of Masks Used by SARS-CoV-2-Infected Individuals