Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: The contribution of hospital-acquired infections to the COVID-19 epidemic in England in the first half of 2020
Antibodies targeting merozoites induce natural killer cell degranulation and interferon gamma secretion and are associated with immunity against malaria
Strengthening vaccination delivery system resilience in the context of protracted humanitarian crisis: a realist-informed systematic review
Epidemiological differences in the impact of COVID-19 vaccination in the United States and China
Scalable cardiovascular risk assessment using artificial intelligence-enabled event adjudication and widely available hematologic predictors.
A multimodal biomarker predicts dissemination of bronchial carcinoid
D-cycloserine modulates breathlessness related brain activity over pulmonary rehabilitation
Dynamics of mask use as a prevention strategy against SARS-Cov-2 in Panama
The Acoustic Dissection of Cough: Diving into Machine Listening-based COVID-19 Analysis and Detection
Predictive and Causal Analysis of No-Shows for Medical Exams During COVID-19: A Case Study of Breast Imaging in a Nationwide Israeli Health Organization
Intraoperative microseizure detection using a high-density micro-electrocorticography electrode array
Clinical Decision Support in Cardiovascular Medicine: Effectiveness, Implementation Barriers, and Regulation
Impaired visual processing in psychosis patients with a predisposition for visual hallucinations
Differences in outcomes following an intensive upper-limb rehabilitation programme for patients with common CNS-acting drug prescriptions.
Locus Coeruleus Integrity from 7T MRI Relates to Apathy and Cognition in Parkinson's Disease and Progressive Supranuclear Palsy
Effects of a multimedia campaign on HIV self-testing and PrEP outcomes among young people in South Africa: A mixed-methods impact evaluation of MTV Shuga Down South
Socioeconomic position and SARS-CoV-2 infections: seroepidemiological findings from a German nationwide dynamic cohort
Longitudinal Changes in Functional Connectivity in Antipsychotic-treated and Antipsychotic-naive Patients with First Episode Psychosis
Patient stratification reveals the molecular basis of disease comorbidities
Impact of real-time assessment on the training of trainers for the introduction of rotavirus vaccine in India
Reductions in US life expectancy from COVID-19 by Race and Ethnicity: Is 2021 a repetition of 2020?
Validation of the 4C Deterioration Model for COVID-19 in a UK teaching hospital during Wave 2
Out-of-Pocket Spending for COVID-19 Hospitalizations in 2020
Public-private partnership to strengthening COVID-19 response in Kisumu, Kenya
COVID-19 infections post-vaccination by HIV status in the United States
Regulatory-approved deep learning/machine learning-based medical devices in Japan as of 2020: A systematic review