Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: First comparison of conventional activated sludge versus root-zone treatment for SARS-CoV-2 RNA removal from wastewaters: statistical and temporal significance
Transmission dynamics of COVID-19 in Ghana and the impact of public health interventions
Humoral and cell-mediated response in colostrum after exposure to severe acute respiratory syndrome coronavirus 2
NEMoE: A nutrition aware regularized mixture of experts model addressing diet-cohort heterogeneity of gut microbiota in Parkinson's disease
Translational Modeling Identifies Synergy between Nanoparticle-Delivered miRNA-22 and Standard-of-Care Drugs in Triple Negative Breast Cancer
Pay-it-forward to improve influenza vaccine uptake and public engagement among children and older adults in China: three-arm quasi-experimental pragmatic trial
Comparison of children and young people admitted with SARS-CoV-2 across the UK in the first and second pandemic waves: prospective multicentre observational cohort study
Access to HIV-prevention in female sex workers in Ukraine between 2009 and 2017: coverage, barriers and facilitators
Rapid antigen testing for SARS-CoV-2 infection in a university setting in Ireland: learning from a 6-week pilot study.
Posttraumatic Stress Disorder and the Nature of Trauma in Patients with Cardiovascular Diseases: A Case-Control study
A blueprint for biobanking in everyday clinical practice in psychiatry: The Munich Mental Health Biobank
Extending non-targeted exposure discovery of environmental chemical exposures during pregnancy and their association with pregnancy complications, a cross-sectional study
The Relationship of Vaccine Uptake and COVID-19 Infections among Nursing Home Staff and Residents in Missouri
Genetic Polymorphisms Associated with Adverse Pregnancy Outcomes in Nulliparas
Comparing COVID-19 and influenza presentation and trajectory
When thinking you are better leads to feeling worse: Self-other asymmetries in prosocial behavior and increased anxiety during the Covid-19 pandemic
Speech pause distribution as an early marker for Alzheimer's disease
Selection of Human Single Domain Antibodies (sdAb) Against Thymidine Kinase 1 and Their Incorporation Into sdAb-Fc Antibody Constructs For Potential Use In Cancer Therapy.
The genetic background of hydrocephalus in a population-based cohort: implication of ciliary involvement
In search for the SARS-CoV-2 protection correlate: A head-to-head comparison of two quantitative S1 assays in a group of pre-characterized oligo-/asymptomatic patients
Class 1 integrons in clinical and swine industry isolates of Salmonella Typhimurium from Colombia, dating 1997 to 2017
Parental income gradients in child and adolescent mortality: Norwegian trends over half a century
SARS-CoV-2 vaccine effectiveness and breakthrough infections in maintenance dialysis patients
Pandemic-EBT and grab-and-go school Meals: Costs, reach, and benefits of two approaches to keep children fed during school closures due to COVID-19
Delta Variant SARS-CoV-2 infections in pediatric cases during the second wave in India
Effectiveness of COVID-19 vaccines against variants of concern in Ontario, Canada