Instruct: Identify the main category of medRxiv papers based on their titles.
Query: Estimating the burden of post-COVID-19 syndrome in a population-based cohort study of SARS-CoV-2 infected individuals: Implications for healthcare service planning
Reopening International Borders without Quarantine: Contact Tracing Integrated Policy against COVID-19
The prevalence, incidence, prognosis and risk factors for depression and anxiety in a UK cohort during the COVID-19 pandemic
Regional variability, genotypic effects, and pharmacodynamic impact on prion protein concentration in the central nervous system
Association of Systemic immune-inflammation index With Short-Term Mortality of Congestive Heart Failure: A Retrospective Cohort Study
DERIVATION AND VALIDATION OF A CLINICAL SCORE TO PREDICT DEATH AMONG NON-PALLIATIVE COVID-19 PATIENTS PRESENTING TO EMERGENCY DEPARTMENTS: THE CCEDRRN COVID MORTALITY SCORE
Effective Connectivity of LSD-induced Ego Dissolution
Declines and pronounced state-level variation in tapentadol use in the US
NEW CORONAVIRUS IN PREGNANT WOMEN. Maternal and perinatal outcomes.
Relationship between obstructive sleep apnea and human leukocyte antigen variants
Therapeutic Anticoagulation in Critically Ill Patients with Covid-19-Preliminary Report
A 6-mRNA host response whole-blood classifier trained using patients with non-COVID-19 viral infections accurately predicts severity of COVID-19
Real-world serologic responses to Extended-interval and Heterologous COVID-19 mRNA vaccination in Frail Elderly - Interim report from a prospective observational cohort study
Serum asymmetric dimethyl arginine level correlates with the progression and prognosis of amyotrophic lateral sclerosis
Uptake of infant and pre-school immunisations in Scotland and England during the COVID-19 pandemic: an observational study of routinely collected data
Early Treatment with fluvoxamine among patients with COVID-19: a cost-consequence model
Small Area Estimation of Food Insecurity in the Eastern Indo-Gangetic Plain
Making the invisible visible: New perspectives on the intersection of human-environment interactions of clinical teams in intensive care
Definition of normal vertebral morphology using NHANES-II radiographs
Impact of biologics and small molecules for Inflammatory Bowel Disease on COVID-19 Related Hospitalization: A Systematic Review and Meta-analysis
Dramatic Rise of Seroprevalence Rates of SARS-CoV-2 Antibodies among Healthy Blood Donors: The evolution of a Pandemic
Regional pleural strain measurements during mechanical ventilation using ultrasound elastography: A randomised, crossover, proof of concept physiologic study
Effectiveness of vaccination against symptomatic and asymptomatic SARS-CoV-2  infection: a systematic review and meta-analysis
Monitoring the rise of the SARS-CoV-2 lineage B.1.1.7 in Tenerife (Spain) since mid-December 2020
Using Machine Learning to Predict Mortality for COVID-19 Patients on Day Zero in the ICU
Safety and immunogenicity of a SARS-CoV-2 recombinant protein nanoparticle vaccine (GBP510) adjuvanted with AS03: a phase 1/2, randomized, placebo-controlled, observer-blinded trial