Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Modern UNOS Data Reveals Septuagenarians have Inferior Heart Transplant Survival
Multispecialty multidisciplinary input into comorbidities in heart failure reduces hospitalisation and clinic attendance
Exposures associated with sporadic Cryptosporidium infection in industrialised countries: a systematic review
Grandfathers and Grandsons: Social Security Expansion and Child Health in China
An Approach for Open Multivariate Analysis of Integrated Clinical and Environmental Exposures Data
Lack of antibodies against seasonal coronavirus OC43 nucleocapsid protein identifies patients at risk of critical COVID-19
Can 10x cheaper, rapid air filtration control the pandemic?
Genetic risk estimates for offspring of patients with Stargardt disease
Disentangling the rhythms of human activity in the built environment for airborne transmission risk
Discordant humoral and T cell immune responses to SARS-CoV-2 vaccination in people with multiple sclerosis on anti-CD20 therapy
Using Machine Learning to Classify Schizophrenia Based on Retinal Images
Estimating the effectiveness of first dose of COVID-19 vaccine against mortality in England: a quasi-experimental study
Convergence of Comorbidity and COVID-19 Infection to Fatality: An Investigation Based on Health Assessment and Vaccination among Older Adults in Kerala
A prospective study of asymptomatic SARS-CoV-2 infection among individuals involved in academic research under limited operations during the COVID-19 pandemic
Long-Term Persistence of IgG Antibodies in recovered COVID-19 individuals at 18 months and the impact of two-dose BNT162b2 (Pfizer-BioNTech) mRNA vaccination on the antibody response
Direct and indirect effectiveness of mRNA vaccination against SARS-CoV-2 infection in long-term care facilities in Spain
The tongue biofilm metatranscriptome identifies metabolic pathways associated with halitosis and its prevention
Interpretation of non-responders to SARS-CoV-2 vaccines using WHO International Standard
Critical success factors for high routine immunization performance: A case study of Nepal
Alpha-1 adrenoreceptor antagonism mitigates extracellular mitochondrial DNA accumulation in lung fibrosis models and in patients with IPF
Identification of genetic loci associated with antibodies to specific sets of citrullinated peptides in rheumatoid arthritis patients
Development of an online Langerian mindfulness program for stroke survivors and caregivers
The genetic background of hydrocephalus in a population-based cohort: implication of ciliary involvement
Bi-allelic loss-of-function variants in PPFIBP1 cause a neurodevelopmental disorder with microcephaly, epilepsy and periventricular calcifications
Impact of the national test strategy on the development of the Covid-19 pandemic in Denmark
Improving postpartum hemorrhage risk prediction using longitudinal electronic medical records