Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Extreme γ' fibrinogen levels in COVID-19 patients
Digital proximity tracing on empirical contact networks for pandemic control
Use of machine learning for comparing disease risk scores and propensity scores under complex confounding and large sample size scenarios: a simulation study
Co-Immune: a case study on open innovation for vaccination hesitancy and access
Cardiovascular Risk Models in Chronic Kidney Disease: A Systematic Review and External Validation of Models
Epidemiological impact and cost-effectiveness analysis of COVID-19 vaccination in Kenya
Age and product dependent vaccine effectiveness against SARS-CoV-2 infection and hospitalisation among adults in Norway: a national cohort study, July - November 2021.
Altered anterior default mode network dynamics in progressive multiple sclerosis
Creating virtual H&E images using samples imaged on a commercial CODEX platform
Factors Associated with Antenatal Care Service Utilization among Mothers with Children under five years in Sunyani Municipality, Ghana
Recovery-associated resting-state activity and connectivity alterations in Anorexia nervosa
LED transillumination of the chest and abdomen in the diagnosis of neonatal conditions
The pneumonia severity index: assessment and comparison to popular machine learning classifiers
Single-cell spatial analysis of tumor immune architecture in diffuse large B cell lymphoma
Evaluation of the Performance of Filmarray Blood Culture Identification Panel on Detecting Blood Cultures Containing Activated Carbon Powder
Real world performance of inactivated SARS-CoV-2 vaccine (CoronaVac) against infection, hospitalization and death due to COVID-19 in adult population in Indonesia
Estimation of the Lifetime Quality-Adjusted Life Years (QALYs) Lost Due to Syphilis acquired in the United States in 2018
Species-specific bacterial detector for fast pathogen diagnosis of severe pneumonia patients in the intensive care unit
Vaccine effectiveness of CanSino (Adv5-nCoV) COVID-19 vaccine among childcare workers -- Mexico, March-December 2021
Blood Draw Site and Analytic Device Influence Hemoglobin Measurements
Can individualized targets for transcranial magnetic stimulation increase treatment effectiveness in psychiatric disorders? A systematic review and meta-analysis
Modelling the impact of reopening schools in the UK in early 2021 in the presence of the alpha variant and with roll-out of vaccination against SARS-CoV-2
The relationship between ethnicity and stone composition in a large multi-ethnic London NHS Trust
Breastfeeding Practices Among Mothers During COVID-19 in India
Expectant parents' perceptions of healthcare and support during COVID-19 in the UK: A thematic analysis.
Risk factors for SARS-CoV-2 infection after primary vaccination with ChAdOx1 nCoV-19 or BNT1262b2 and after booster vaccination with BNT1262b2 or mRNA-1273: a population-based cohort study (COVIDENCE UK)