Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: Effectiveness of Covishield vaccine in preventing Covid-19 -- A test-negative case-control study
Durability of three types of dual active ingredient long-lasting insecticidal net compared to a pyrethroid-only LLIN in Tanzania: protocol for a prospective cohort study nested in a cluster randomized controlled trial
SARS-CoV-2 Seroprevalence Survey Among District Residents Presenting for Serologic Testing at Three Community Based Test Sites in Washington, DC, July to August, 2020
Virtual Exam for Parkinson's Disease Enables Frequent and Reliable Measurements of Motor Function
A causal framework for assessing the transportability of clinical prediction models
Nanopore 16S rRNA sequencing reveals alterations in nasopharyngeal microbiome and enrichment of Mycobacterium and Mycoplasma in patients with COVID 19
Health status and cancer related mortality among nuclear plant workers exposed to ionizing radiation
Function is more reliable than quantity to follow up the humoral response to the Receptor Binding Domain of SARS- CoV-2 Spike Protein after Natural Infection or COVID-19 vaccination
Prediction of Uterine Dehiscence via Machine Learning by Using Lower Uterine Segment Thickness and Clinical Features
Tau-PET and in vivo Braak-staging as a prognostic marker in Alzheimer's disease
Efficacy of a nasal spray containing Iota-Carrageenan in the prophylaxis of COVID-19 in hospital personnel dedicated to patients care with COVID-19 disease. A pragmatic multicenter, randomized, double-blind, placebo-controlled trial (CARR-COV-02)
Somatically mutated genes in fatty liver disease have minimal influence on germline risk
Ethnic disparities in hospitalisation and hospital-outcomes during the second wave of COVID-19 infection in east London
Investigation of the association between high arachidonic acid synthesis and colorectal polyp incidence: a Mendelian randomisation approach
ACE-Neuro: A Tailored Exercise Oncology Program for Neuro-Oncology Patients - Study Protocol
Social cognition deficits and its biometric signatures in the behavioral variant of Alzheimer's disease
Assessing the Risk of Cascading COVID-19 Outbreaks from Prison-to-Prison Transfers
A novel SEIR-e model for disease transmission and pathogen exposure
No safe level of alcohol consumption for brain health: observational cohort study of 25,378 UK Biobank participants
COVID-19 Vaccination Prioritization Based on Cardiovascular Risk Factors and Number-Needed-to-Vaccinate to Prevent Death
Specific concussion curriculum: Does it improve residents' comfort, Knowledge and In-Training Examination Scores? A pilot study.
MIRS: an AI scoring system for predicting the prognosis and therapy of breast cancer
Mpilo Outcomes for Stroke Study (MOSS): Does taking antihypertensives prior to stroke affect mortality during acute stroke admissions?
Association between HIV co-infection and delayed diagnosis with tuberculosis bacterial load in setting with widespread antiretroviral therapy use
UK Health Care Workers' Experiences of Major System Change in Elective Surgery during the COVID-19 Pandemic: Reflections on Rapid Service Adaptation
Detection of Neoplasms by Metagenomic Sequencing of Cerebrospinal Fluid