Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Nine-month presence of SARS-CoV-2 in saliva: a case report
SARS-CoV-2 vaccine breakthrough infections with the alpha variant are asymptomatic or mildly symptomatic among health care workers.
COVID-19 relevant genetic variants confirmed in an admixed population
Detection of HIV and Mycobacterium tuberculosis among University Students in Port Harcourt, Nigeria
Premature infants display discriminable behavioural, physiological and brain responses to noxious and non-noxious stimuli
Epidemiological Analysis of Lower Limb Revascularization for Peripheral Arterial Disease over 12 years in the Public Health System in Brazil
Chronic diseases: Perceptions about Covid-19 risk and vaccination
Neutralizing anti-DNase1L3 antibodies derive from autoreactive VH4-34+ B cells and associate with the interferon signature in SLE
SARS-CoV-2 incidence, transmission and reinfection in a rural and an urban setting: results of the PHIRST-C cohort study, South Africa, 2020-2021
A comprehensive framework to estimate the frequency, duration and risk factors for diagnostic delays using simulation-based methods
Exploration of attitudes regarding uptake of COVID-19 vaccines among vaccine hesitant adults in the UK: A qualitative analysis.
Safety and feasibility of research lumbar puncture in Huntington's disease: the HDClarity cohort and bioresource
Performance of plasma amyloid, tau, and astrocyte biomarkers to identify cerebral AD pathophysiology
The effects of walking in nature on negative and positive affect in adult psychiatric outpatients with major depressive disorder: A randomized-controlled study
Questioning the association of the STMN2 dinucleotide repeat with ALS
Breakthrough SARS-CoV-2 infections in MS patients on disease modifying therapies
AI-Driven Longitudinal Characterization of Neonatal Health and Morbidity
Studying the course of Covid-19 by a recursive delay approach
Prospectively validated disease-agnostic predictive medicine with hybrid AI
Productivity burden borne by the parents of persons with Angelman syndrome
COVID-19-associated school closures and related efforts to sustain education and subsidized meal programs, United States, February 18-June 30, 2020
Extension of Community Healthcare Outcomes in Parkinson Disease (Parkinson ECHO): A Feasibility Study
Impact of the COVID-19 pandemic on breast cancer screening indicators in a Spanish population-based program: a cohort study
Evaluation of a throat spray with lactobacilli in COVID-19 outpatients in a randomized, double-blind, placebo-controlled trial for symptom and viral load reduction
Epidemiology and antibiotic resistance profile of Helicobacter pylori infection in Cameroon: a systematic review with meta-analysis
Modelling the impact of fexinidazole use on human African trypanosomiasis (HAT) transmission in the Democratic Republic of the Congo