Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: SARS-CoV-2 antigen exposure history shapes phenotypes and specificity of memory CD8 T cells
Estimating vaccine efficacy against transmission via effect on viral load
Increased risk of cognitive impairment and hyperglycemia-related mortality in late middle-aged African Americans with low serum adropin levels
Early assessment of epidemiological trends associated with SARS-CoV-2 variants of concern in Germany
Speech cortical activation and connectivity in typically developing children and those with listening difficulties
Breakthrough SARS-CoV-2 infections in MS patients on disease modifying therapies
Use of Modeling to Inform Decision-Making During the COVID-19 Pandemic: A Qualitative Study
Comparing SARS-CoV-2 case rates between pupils, teachers and the general population: results from Germany
Using Twitter Data for Cohort Studies of Drug Safety in Pregnancy: A Proof-of-Concept with Beta-Blockers
Frequency of hospitalization of infants with bronchiolitis during 2017 in Puerto Madryn, Argentina
Controlling COVID-19 via test-trace-quarantine
Connection between two historical tuberculosis outbreak sites in Japan, Honshu, due to a new ancestral L2 sublineage
Trends and associated factors for Covid-19 hospitalisation and fatality risk in 2.3 million adults in England
Potential impacts of Washington State's wildfire worker protection rule on construction workers
Pharmacogenomics of hypertension in chronic kidney disease: the CKD-PGX study
Neural Dysregulation in Post-Covid Fatigue
Geographically-targeted COVID-19 vaccination is more equitable and averts more deaths than age-based thresholds alone
Human MAIT cells are devoid of alloreactive potential: prompting their use as universal cells for adoptive immune therapy.
Predicting severe COVID-19 outcomes for triage and resource allocation
Predictors of Adolescent Engagement and Outcomes: A cross-sectional study using the Togetherall (formerly Big White Wall) digital mental health platform
Replacement of the Alpha variant of SARS-CoV-2 by the Delta variant in Lebanon between April and June 2021
Overdiagnosis and treatment of COPD in nonagenarians
COVID-19 mass testing: harnessing the power of wastewater epidemiology
DIETARY MANIPULATION OF THE GUT MICROBIOME IN INFLAMMATORY BOWEL DISEASE PATIENTS: PROOF OF CONCEPT
Investigating the first stage of the COVID-19 pandemic in Ukraine using epidemiological and genomic data
Online prescribing for sexually transmitted infections 	- what is on offer? An evaluation of internet pharmacies based in the United Kingdom