Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Evolution of case fatality rates in the second wave of coronavirus in England: effects of false positives, a Variant of Concern and vaccination.
Evidence for Causal Effects of Smoking Initiation and Alcohol Consumption on Substance Use Outcomes
Longitudinal changes in age and race of patients with SARS-CoV-2 in a multi-hospital health system
Opening schools and trends in SARS-CoV-2 transmission in European countries
Dynamic balance recovery in chronic Acquired Brain Injury participants following a perturbation training.
Characterization of A Novel Autoimmune Encephalitis Associated Antibody against CRMP2
Beyond poverty as a proxy: reducing inequality in infant mortality by identifying and targeting higher risk births
A systematic review of the factors associated with suicide attempts among sexual-minority adolescents
Seroprevalence of anti-SARS-CoV-2 IgG antibodies in Juba, South Sudan: a population-based study
Relationship Between Depression, Prefrontal Creatine and Gray Matter Volume
Testing behaviour may bias observational studies of vaccine effectiveness
Reducing COVID-19 Airborne Transmission Risks on Public Transportation Buses: An Empirical Study on Aerosol Dispersion and Control
The new Coronavirus (SARS-CoV-2) in Central America: Demographic-spatial simulations, Analyses of Molecular Variance (AMOVA) and Neutrality Tests in complete genomes from Belize, Guatemala, Cuba, Jamaica and Puerto Rico
The early dynamics of the SARS-CoV-2 epidemic in Portugal
Impact of school-based malaria screening and treatment on P. falciparum infection and anemia prevalence in two transmission settings in Malawi
Genetic and neurophysiological biomarkers of neuroplasticity inform post-stroke language recovery
Likelihood of being Physically Inactive from a Nationally Representative sample of Autistic Children
SARS-CoV-2 Control on a Large Urban College Campus Without Mass Testing
Appropriate management of steroids and discharge planning during and after hospital admission for moderate-severe ulcerative colitis
Deep Neural Networks for Human's Fall-risk Prediction using Force-Plate Time Series Signal
Preventing disproportionate mortality in ICU overload situations: Empirical evidence from the first COVID-19 wave in Europe
Epidemic models characterize seizure propagation and the effects of epilepsy surgery in individualized brain networks based on MEG and invasive EEG recordings
Disparities in outcomes among patients diagnosed with cancer associated with emergency department visits
Favipiravir, lopinavir-ritonavir or combination therapy (FLARE): a randomised, double blind, 2x2 factorial placebo-controlled trial of early antiviral therapy in COVID-19
High false-positive rate of fluorodeoxyglucose positron emission tomography to detect lymph node metastasis in microinvasive cervical cancer after conization
Relationship between support for workers with illness and work functioning impairment in Japan during the COVID-19 pandemic