Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Occurrence and significance of Omicron BA.1 infection followed by BA.2 reinfection
Interim Report of a Phase 2 Randomized Trial of a Plant-Produced Virus-Like Particle Vaccine for Covid-19 in Healthy Adults Aged 18-64 and Older Adults Aged 65 and Older
Assessment of menstrual hygiene practice and associated factor among High school female students in Harar Eastern Ethiopia 2019
"We just considered it  to be over there" : A qualitative study exploring urban perspectives for disease introduction
Wearable technology for health monitoring during pregnancy: an observational cross-sectional survey study
Methods used to select results to include in meta-analyses of nutrition research: a meta-research study
The epidemiology of herpes simplex virus type 2 in sub-Saharan Africa: systematic review, meta-analyses, and meta-regressions
Not all roads lead to the immune system: The Genetic Basis of Multiple Sclerosis Severity Implicates Central Nervous System and Mitochondrial Involvement
A convolutional-recurrent neural network approach to resting-state EEG classification in Parkinsons disease
Should COVID-specific arrangements for abortion continue? The views of women experiencing abortion in Britain during the pandemic.
Continuous Positive Airway Pressure (CPAP) for Moderate to Severe Covid19 Acute Respiratory Distress Syndrome (CARDS) in a Resource limited setting
Antibody-mediated Immunogenicity against SARS-CoV-2 following priming, boosting and hybrid immunity: insights from 11 months of follow-up of a healthcare worker cohort in Israel, December 2020-October 2021
Caregiver Perspectives of Pre-Transplant Evaluation in Children
Effectiveness of Localized Lockdowns in the SARS-CoV-2 Pandemic
Automated Deep Brain Stimulation programming based on electrode location - a randomized, crossover trial using a data-driven algorithm
Comparing a new device to measure lung volumes with three traditional methods in individuals with different lung conditions
Modeling of COVID-19 Transmission Dynamics on US Population: Inter-transfer Infection in Age Groups, Mutant Variants, and Vaccination Strategies
The efficiency of dynamic regional lockdown approach in controlling the COVID-19 epidemic. Insights from the agent-based epidemiological model for Poland
Early prediction of preeclampsia in pregnancy with circulating cell-free RNA
Polygenic risk score and statin relative risk reduction for primary prevention in a real-world population
Estimation of the onset rate and the number of asymptomatic patients of COVID-19 from the proportion of untraceable patients
Myocarditis and Pericarditis following COVID-19 Vaccination: Rapid Systematic Review of Incidence, Risk Factors, and Clinical Course
Comparison of the accuracy of 9 intraocular lens power calculation formulas using partial coherence interferometry
Restored Hematopoietic Stem Cell Transcriptional Program in Fanconi Anemia Patients Following Gene Therapy
Use of Convalescent Plasma Therapy among Hospitalized Coronavirus Disease 2019 (COVID-19) Patients: A Single-Center Experience
Twins in Guinea-Bissau have a 'thin-fat' body composition compared to singletons