Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Investigating the first wave of the COVID-19 pandemic in Ukraine using epidemiological and genomic sequencing data
Disparities in the pace of biological aging among midlife adults of the same chronological age have implications for future frailty risk and policy
Clinical course and outcomes of critically ill COVID-19 patients in two successive pandemic waves
Longitudinal serology in SARS-CoV-2 infected individuals in India - a prospective cohort study
A prospective double-blinded non-selection trial of reproductive outcomes and chromosomal normalcy of newborns derived from putative low/moderate-degree mosaic IVF embryos
Patients with CLL have similar high risk of death upon the omicron variant of COVID-19 as previously during the pandemic.
Clinical Evidence for Improved Outcomes with Histamine Antagonists and Aspirin in 22,560 COVID-19 Patients
COVID-19-associated school closures and related efforts to sustain education and subsidized meal programs, United States, February 18-June 30, 2020
Increased prevalence of AB group and FY*A red blood cell antigen in Caucasian SARS-CoV-2 convalescent plasma donors
Durability of SARS-CoV-2 Antibodies from Natural Infection in Children and Adolescents
Fine analysis of lymphocyte subpopulations in SARS-CoV-2 infected patients: toward a differential profiling of patients with severe outcome
Altered pre-existing SARS-CoV-2-specific T cell responses in elderly individuals
Factors indicating intention to vaccinate with a COVID-19 vaccine among older U.S. Adults
Association of clinical outcome assessments of mobility capacity and incident disability in community-dwelling older adults - a systematic review and meta-analysis
Cavernoma in septum pellucidum: descriptive analysis and review of existing literature.
Direct, Indirect and Mixed Methods of Health Education By Nurse and Its Impact on Type 2 Diabetes Patients: A Literature review
Metagenome-wide association study of gut microbiome features for myositis
Clinical performance evaluation of SARS-CoV-2 rapid antigen testing in point of care usage in comparison to RT-qPCR
Performance of Valved Respirators to Reduce Respiratory Particles Generated by Speaking
Shared brain and genetic architectures between mental health and physical activity
Post-Disease Divergence in SARS-CoV-2 RNA Detection between Nasopharyngeal, Anterior Nares and Saliva/Oral Fluid Specimens - Significant Implications for Policy & Public Health
The Dynamics of SARS-CoV-2 Infectivity with Changes in Aerosol Microenvironment
Development and validation of an electronic health records-based opioid use disorder algorithm by expert clinical adjudication
NSAID use and clinical outcomes in COVID-19 patients: A 38-center retrospective cohort study
Predicting remission after internet-delivered psychotherapy in patients with depression using machine learning and multi-modal data
CoviVac vaccination induces production of neutralizing antibodies against Delta and Omicron variants of SARS-CoV-2