Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Streptococcus pneumoniae colonisation associates with impaired adaptive immune responses against SARS-CoV-2
Drivers of adaptive evolution during chronic SARS-CoV-2 infections
High SARS-CoV-2 seroprevalence in rural Peru, 2021; a cross-sectional population-based study
Are We There Yet? Big Data Significantly Overestimates COVID-19 Vaccination in the US
Thrifty energy phenotype predicts weight regain - results of a randomized controlled trial
Teaching an Old Dog New Tricks: Serum Troponin T as a Biomarker in Amyotrophic Lateral Sclerosis
Beneath the surface: mental health, and harassment and abuse of athletes participating in the FINA (Aquatics) World Championships, 2019
Does a postpartum "Green Star" family planning decision aid for adolescent mothers reduce decisional conflict? : A quasi-experimental study
Anthropometric measurements as predictors of hypertension in Busia, Vihiga, Trans Nzoia and Siaya counties of Western Kenya
Comparing the impact of vaccination strategies on spread of COVID-19, including a novel household-targeted vaccination strategy
The preparedness and response to COVID-19 in a quaternary Intensive Care Unit in Australia: perspectives and insights from frontline critical care clinicians
The effect of neoadjuvant therapy on PD-L1 expression and CD8 lymphocyte density in non-small cell lung cancer
Stable Sparse Classifiers predict cognitive impairment from gait patterns
A multi-component, community-based strategy to facilitate COVID-19 vaccine uptake among Latinx populations: from theory to practice
Persistent delirium in older hospital patients: an updated systematic review and meta-analysis
Epidemiological behavior of the contamination curve by COVID-19 in Brazil: a time series study
A Population Study of Clinical Trial Accrual for Women and Minorities in Neuro-Oncology Following the NIH Revitalization Act
Oxygen provision to severely ill COVID-19 patients at the peak of the 2020 pandemic in a Swedish district hospital: medical records-based cohort study
Polymethylation Scores for Prenatal Maternal Smoke Exposure Persist Until Age 15 and Are Detected in Saliva in the Fragile Families and Child Wellbeing Cohort
Consultagene: Pre- and Post-Pandemic Experience with a Web-based Platform and Remote Delivery of Genetic Services
Model-informed target product profiles of long acting-injectables for use as seasonal malaria prevention
Changes in the quality of cancer care as assessed through performance indicators during the first wave of the COVID-19 pandemic in 2020: a Scoping Review
Increased neurotoxicity due to activated immune-inflammatory and nitro-oxidative stress pathways in patients with suicide attempts: a systematic review and meta-analysis.
CHST6-related macular corneal dystrophy: a matter of endothelium
Wastewater surveillance using ddPCR reveals highly accurate tracking of omicron variant due to altered N1 probe binding efficiency
Association between motor task acquisition and hippocampal atrophy across cognitively unimpaired, amnestic Mild Cognitive Impairment, and Alzheimer's disease individuals