Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: Nationwide trends in COVID-19 cases and SARS-CoV-2 wastewater concentrations in the United States
A prospective study of asymptomatic SARS-CoV-2 infection among individuals involved in academic research under limited operations during the COVID-19 pandemic
Analysis of cell-specific peripheral blood biomarkers in severe allergic asthma identifies innate immune dysfunction
Low somatosensory cortex excitability in the acute stage of low back pain causes chronic pain
Peripheral optical coherence tomography assisted by scleral depression in retinopathy of prematurity
A Phenome Wide Association Study of Severe COVID-19 Genetic Risk Variants
Optimal and worst examination strategies for COVID-19
Neurological, neuropsychiatric and psychiatric symptoms during COVID-19 infection and after recovery: a systematic review of observational studies
Revisiting IgG antibody reactivity to Epstein-Barr virus in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome and its potential application to disease diagnosis
The Impact of COVID-19 Restrictions on Childhood Vaccination Uptake: A Rapid Review
Correlations between kidney and heart function bioindicators and the expressions of Toll-Like, ACE2, and NRP-1 receptors in COVID-19
Prevalence, determinants, and impact on general health and working capacity of post-acute sequelae of COVID-19 six to 12 months after infection: a population-based retrospective cohort study from southern Germany
How can we increase notification of exposure to STIs between gay and bisexual men?: intervention development using stakeholder engagement, qualitative methods and behavioural science
A longitudinal study of healthcare workers' surveillance during the ongoing COVID-19 Epidemics in Italy: is SARS-CoV-2 still a threat for the Health-care System?
Allelic Complexity of KMT2A Partial Tandem Duplications in Acute Myeloid Leukemia and Myelodysplastic Syndromes
Genomic analyses in a large clinical cohort reveal high prevalence of MECP2 variants associated with neuropsychiatric phenotypes in adulthood
Polygenic Risk Scores for Prediction of Breast Cancer Risk in Women of African Ancestry: a Cross-Ancestry Approach
Determinants of primaquine and carboxyprimaquine exposures in children and adults with Plasmodium vivax malaria
A qualitative study exploring the experience of the Medical Intern Programme: Supportive transition for international doctors working in the NHS
Safe in my heart: resting heart rate variability longitudinally predicts emotion regulation, worry and sense of safeness during COVID-19 lockdown
A Descriptive Analysis of Chairs of Academic Neurology Departments in the United States
Serial interval and transmission dynamics during the SARS-CoV-2 Delta variant predominance in South Korea
Assessment of COVID-19 vaccine hesitancy among Zimbabweans: A rapid national survey
Clinical Features and Outcomes of COVID-19 at a Teaching Hospital in Kingston, Jamaica
Outpatient therapies for COVID-19: How do we choose?
Seroprevalence of anti-SARS-CoV-2 IgG antibody among health care workers of anaesthesia departments from various hospital settings in India