Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Interdependencies between cellular and humoral immune responses in heterologous and homologous SARS-CoV-2 vaccination
A Label-Free SARS-CoV-2 Surrogate Virus Neutralization Test and a Longitudinal Study of Antibody Characteristics in COVID-19 Patients
Strain-resolved analysis in a randomized trial of antibiotic pretreatment and maintenance dose delivery mode with fecal microbiota transplant for ulcerative colitis
Communicating about COVID-19 vaccine development and safety
Leveraging mathematical models of disease dynamics and machine learning to improve development of novel malaria interventions
Prevalence, incidence and risk factors for myopia among urban and rural children in southern China: protocol for a school-based cohort study
Electronic cigarette communications between patients and physicians in the United States
A mixture model to estimate SARS-CoV-2 seroprevalence in Chennai, India
Infrequent intranasal oxytocin followed by positive social interaction improves symptoms in autistic children: a randomized clinical trial
L18F substrain of SARS-CoV-2 VOC-202012/01 is rapidly spreading in England
Predictive Analysis of COVID-19 Spread in Sri Lanka using an Adaptive Compartmental Model: Susceptible-Exposed-Infected-Recovered-Dead (SEIRD) Model
Adjunctive Ketamine for Sedation in Critically Ill Mechanically Ventilated Patients: An Active-Controlled, Pilot, Feasibility Clinical Trial
Pitfalls and solutions in case fatality risk estimation - A multi-country analysis on the role of demographics, surveillance, time lags between reporting and death and healthcare system capacity on COVID-19
Factors influencing COVID rates at local authority level and contribution of variation in vaccine coverage
Effectiveness of a novel non-intrusive continuous-use air decontamination technology to reduce microbial contamination in clinical settings: A multi-centric study
Proactive COVID-19 testing in a partially vaccinated population
Seroepidemiology of SARS-CoV-2 infections in an urban Nicaraguan population
Attenuated alpha oscillations as an index of cortical hyperexcitability: Evidence from migraine patients
Stakeholders' views on an institutional dashboard with metrics for responsible research
A Comparative Study Between Nasopharyngeal/Oropharyngeal, Faecal and Saliva Viral Shedding In Ghanaian COVID-19 Patients attending KATH from October-December, 2020
Adverse events of special interest for COVID-19 vaccines - background incidences vary by sex, age and time period and are affected by the pandemic
Effects of vitamin D deficiency on blood lipids and bone metabolism: a large cross- sectional study
A real-world evaluation of the implementation of NLP technology in abstract screening of a systematic review
External validation of risk scores to predict in-hospital mortality in patients hospitalized due to coronavirus disease 2019.
Artificial Intelligence Enables Quantitative Assessment of Ulcerative Colitis Histology
Epidemiological differences in the impact of COVID-19 vaccination in the United States and China