Instruct: Identify the main category of medRxiv papers based on the titles.
Query: Disrupted reward processing in Parkinson's Disease and its relationship with dopamine state and neuropsychiatric syndromes: a systematic review and meta-analysis
Distinct promoter regions of the oxytocin receptor gene are hypomethylated in Prader-Willi syndrome and in Prader-Willi syndrome associated psychosis
Effects of COVID-19 on the human central olfactory system: a natural pre-post experiment
The immediate and longer-term impact of the COVID-19 pandemic on the mental health and wellbeing of older adults in England
Socioeconomic, demographic and environmental factors inform intervention prioritization in urban Nigeria
Reevaluation of Seroprevalence using a Semi-quantitative Anti-spike IgG in Health Care workers at an Academic Medical Center in Boston, Massachusetts
Estimates of cases and hospitalizations averted by COVID-19 case investigation and contact tracing in 14 health jurisdictions in the United States
Time trends in social contacts before and during the COVID-19 pandemic: the CONNECT study
SARS-CoV-2 nucleocapsid antigen in urine of hospitalized patients with Covid-19
Clinical Validation of Saliency Maps for Understanding Deep Neural Networks in Ophthalmology
A Single Dose of COVID-19 mRNA Vaccine Induces Airway Immunity in COVID-19 Convalescent Patients
Data Analysis and Forecasting of COVID-19 Pandemic in Kuwait
Multi-tract multi-symptom relationships in pediatric concussions
Bone morphogenetic protein 2 is a new molecular target linked to nonalcoholic fatty liver disease with potential value as non-invasive screening tool.
Novel biomarkers for glycaemic deterioration in type 2 diabetes: an IMI RHAPSODY study
Seropositivity of  HBV & HCV  among the Family Members of Chronic Viral Hepatitis Patients
Post-vaccination SARS-CoV-2 infection: risk factors and illness profile in a prospective, observational community-based case-control study
A semi-parametric, state-space compartmental model with time-dependent parameters for forecasting COVID-19 cases, hospitalizations, and deaths
Scalable cardiovascular risk assessment using artificial intelligence-enabled event adjudication and widely available hematologic predictors.
Delay of TB patients in diagnosis in a conflict setting of Mogadishu, Somalia - a cross-sectional study
Preterm birth, stillbirth, and early neonatal mortality during the Danish COVID-19 lockdown
A Longitudinal Analysis of COVID-19 Lockdown Stringency on Sleep and Resting Heart Rate Measures across 20 Countries
RELATIONSHIP BETWEEN ADVERSE EVENTS PREVALENCE, PATIENT SAFETY CULTURE AND PATIENT SAFETY PERCEPTION IN A SINGLE SAMPLE OF PATIENTS: A CROSS-SECTIONAL STUDY
Attitudes Towards Coronavirus (COVID-19) Vaccine and Sources of Information Across Diverse Ethnic Groups in the UK: a Qualitative Study
A proteome-wide genetic investigation identifies several SARS-CoV-2-exploited host targets of clinical relevance
A Wastewater-Based Epidemic Model for SARS-CoV-2 with Application to Three Canadian Cities