Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Can a second booster dose be delayed in patients who have had COVID-19?
Implementation of an in-house real-time reverse transcription-PCR assay to detect the emerging SARS-CoV-2 N501Y variants
Examining the effect of information channel on COVID-19 vaccine acceptance
Country-level Association of Socioeconomic, Environmental and Healthcare-Related Factors with the Disease-Burden and Mortality Rate of COVID-19
Light Enhanced Cognitive Behavioral Therapy (CBT+) for Insomnia and Fatigue During Chemotherapy for Breast Cancer: A Randomized Controlled Trial
SARS-CoV-2 variants of concern, Gamma (P.1) and Delta (B.1.617), sensitive detection and quantification in wastewater employing direct RT-qPCR
Mitigating isolation: The use of rapid antigen testing to reduce the impact of self-isolation periods
Deep Sequence Learning for Assessing Hypertension in Pregnancy from Doppler Signals
General anxiety and depression are associated with the physical activity and social interaction levels: Study in Argentinean university students during the COVID-19 outbreak
Enhancing Cognitive Restructuring with Concurrent Repetitive Transcranial Magnetic Stimulation for Transdiagnostic Psychopathology: A Proof of Concept Randomized Controlled Trial
Dominant role of abdominal adiposity in circulating lipoprotein, lipid, and metabolite levels in UK Biobank: Mendelian randomization study
Defining the determinants of under-vaccination in migrant populations in Europe to improve routine and COVID-19 vaccine uptake: a systematic review
Temporal Trends in Racial and Ethnic Disparities in Multimorbidity Prevalence in the United States, 1999 to 2018
Use of magnetic resonance imaging in neuroprognostication after pediatric cardiac arrest: Survey of current practices
Transcranial direct current stimulation combined with alcohol cue inhibitory control training reduces the risk of early alcohol relapse: a randomized placebo-controlled clinical trial
COVID-19 epidemic scenarios into 2021 based on observed key superdispersion events
Outdoor air pollution and the risk of asthma exacerbations in single lag0 and lag1 exposure patterns: A systematic review and meta-analysis
Low back pain and telecommuting in Japan: influence of work environment quality
Measuring vaccine efficacy against infection and disease in clinical trials: sources and magnitude of bias in COVID-19 vaccine efficacy estimates
Recommendations for clinical interpretation of variants found in non-coding regions of the genome
Palliative care in the treatment of women with breast cancer: a scoping review protocol
Paramagnetic rim lesions are associated with pathogenic CSF profiles and worse clinical outcomes in multiple sclerosis: a retrospective cross-sectional study
A genome-wide association analysis of loss of ambulation in dystrophinopathy patients suggests multiple candidate modifiers of disease severity
Integrating de novo and inherited variants in over 42,607 autism cases identifies mutations in new moderate risk genes
Immunogenicity of SARS-CoV-2 Vaccine in Dialysis
Predicting willingness to be vaccinated for Covid-19: evidence from New Zealand