Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: COVID-19 Bimodal Clinical and Pathological Phenotypes
Small Airway Disease as long-term Sequela of COVID-19: Use of Expiratory CT despite Improvement in Pulmonary Function test
First-in-Human Trial of a Recombinant Stabilized Prefusion SARS-CoV-2 Spike Protein Vaccine with Adjuvant of Aluminum Hydroxide and CpG 1018
Sealing Behaviour in Transcatheter Bicuspid and Tricuspid Aortic Valves Replacement through Patient-Specific Computational Modeling
Safety and immunogenicity of anti-SARS CoV-2 conjugate vaccine SOBERANA 02 in a two-dose or three-dose heterologous scheme in adults: Phase IIb Clinical Trial
Clinical characteristics of Chilean patients with rheumatic diseases and COVID-19: data from the Covid-19 Global Rheumatology Alliance physician-reported registry
How has the COVID-19 pandemic impacted on smoking and nicotine dependence among people with severe mental ill health? Analysis of linked data from a UK Closing the Gap Cohort
Operational response simulation tool for epidemics within refugee and IDP settlements
How a positive COVID-19 diagnosis affects the physical, social and psychological wellbeing of people in the United Arab Emirates? An Explorative Qualitative Study
Anatomy of the first six months of COVID-19 Vaccination Campaign in Italy
Efficacy and Safety of Viable Selective Germline Genome  Edited Pigs Skin Xenotransplants in Patients with Thermal Burns
Reducing COVID-19 Airborne Transmission Risks on Public Transportation Buses: An Empirical Study on Aerosol Dispersion and Control
SurvMaximin: Robust Federated Approach to Transporting Survival Risk Prediction Models
Neutrophils in severe COVID-19 are characterized by a hyperactive immature state and maintained CXCR2 expression
Serum Neutralizing Activity of mRNA-1273 Against the SARS-CoV-2 B.1.1.529 (Omicron) Variant: A Preliminary Report
Exhaustive circulating tumor DNA sequencing reveals the genomic landscape of Hodgkin lymphoma and facilitates ultrasensitive detection of minimal residual disease
A Data-Driven Framework for Identifying Intensive Care Unit Admissions Colonized with Multidrug-Resistant Organisms
Seroprevalence of hepatitis A and hepatitis E viruses among pregnant women in Northern Iran
SARS-CoV-2 seropositivity after infection and antibody response to mRNA-based vaccination
Use of Environmental Variables to Predict SARS-CoV-2 Spread in the U.S.
A behavioural modelling approach to assess the impact of COVID-19 vaccine hesitancy
Validity of the Web-based, Self-directed, NeuroCognitive Performance Test in MCI
Automated method to extract and purify RNA from wastewater enables more sensitive detection of SARS-CoV-2 markers in community sewersheds
Clinical presentation, disease course and outcome of COVID-19 in hospitalized patients with and without pre-existing cardiac disease: a cohort study across sixteen countries
A cross-sectional study of Q fever in Camels: risk factors for infection, the role of small ruminants and public health implications for desert-dwelling pastoral communities
Plans to vaccinate children for COVID-19: a survey of US parents