Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Incidence of Lyme disease in the United Kingdom and association with fatigue: a population-based, historical cohort study
Evidence of long-lasting humoral and cellular immunity against SARS-CoV-2 even in elderly COVID-19 convalescents showing a mild to moderate disease progression
Social isolation and psychological distress among southern US college students in the era of COVID-19
Large-Scale Hypothesis Testing for Causal Mediation Effects with Applications in Genome-wide Epigenetic Studies
Risk of COVID-19 epidemic resurgence with the introduction of vaccination passes
Multi-method investigation of factors influencing amyloid onset and impairment in three cohorts
Mask up! Testing strategies to increase mask usage in Kenya
COVID-19 in 823 Transplant patients: A Systematic Scoping Review
The relationship between visually evoked effects and concussion in youth
The behavioral variant of Alzheimer's disease does not show a selective loss of Von Economo and phylogenetically related neurons in the anterior cingulate cortex
Mitigating the psychological impacts of COVID-19 restrictions: The Behavioural Activation in Social Isolation (BASIL) pilot randomised controlled trial to prevent depression and loneliness among older people with long term conditions
Neighbourhood-level risk factors of COVID-19 incidence and mortality
Genetic and early environmental predictors of adulthood self-reports of trauma
Vitamin D deficiency and its association with iron deficiency in African children
Assessment of Post COVID-19 Health Problems and its Determinants in North India: A descriptive cross section study
Sub-cellular level resolution of common genetic variation in the photoreceptor layer identifies continuum between rare disease and common variation
Deficits in planned hospital care for vulnerable adolescents in England during the COVID-19 pandemic: analysis of linked administrative data
Severe Prenatal Shocks and Adolescent Health: Evidence from the Dutch Hunger Winter
Comparison of Carotid Intima Media Thickness between Women with History of Preeclampsia and Normal Pregnancy: A Meta-Analysis of Systematic Review
Sex influences the effects of APOE genotype and Alzheimer's diagnosis on neuropathology and memory
First-generation clinical dual-source photon-counting CT: ultra-low dose quantitative spectral imaging
Agreement of parent- and child-reported wheeze: are they associated with FeNO and lung function?
Impact of Delta on viral burden and vaccine effectiveness against new SARS-CoV-2 infections in the UK
Public Health Impact of the Pfizer-BioNTech COVID-19 vaccine (BNT162b2) in the first year of rollout in the United States
Visible and real sizes of the COVID-19 pandemic in Ukraine
S-ketamine in patient-controlled analgesia reduces opioid consumption in a dose-dependent manner after major lumbar fusion surgery: a randomized, double-blind, placebo-controlled clinical trial