Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Undernutrition and associated factors among people living with HIV under NACS assessment in Muchinga Province, Zambia, 2019-2020
Risk scores for predicting HIV incidence among adult heterosexual populations in sub-Saharan Africa: a systematic review and meta-analysis
Nocturnal Respiratory Rate Dynamics Enable Early Recognition of Impending Hospitalizations
Perception and awareness of COVID-19 among health science students and staff of Kuwait University: An online cross-sectional study
Intestinal fungal dynamics and linkage to hematopoietic cell transplantation outcomes.
Comparison of the 2021 COVID-19 'Roadmap' Projections against Public Health Data
Persistent Symptoms Among Frontline Health Workers Post-acute COVID-19 Infection
Day Camp in the Time of COVID-19: What Went Right?
Olfactory detection of human odorant signatures in Covid patients by trained dogs
Efficacy of conservative physiotherapeutic approaches in hormonal-related headaches: a scoping review protocol.
Association of homelessness with COVID-19 positivity among individuals visiting a testing center
Quantification and progress over time of specific antibodies against SARS-CoV-2 in breast milk of lactating women vaccinated with BNT162b2 Pfizer-BioNTech COVID-19 vaccine (LacCOVID)
The serological diversity of serum IgG/IgA/IgM against the SARS-CoV-2 nucleoprotein, spike, and receptor-binding domain and neutralizing antibodies in patients with COVID-19 in Japan
How the COVID-19 pandemic is shaping research in Africa: inequalities in scholarly output and collaborations and new opportunities for scientific leadership
Development and validation of the RCOS prognostic index: a bedside multivariable logistic regression model to predict hypoxaemia or death in patients with SARS-CoV-2 infection
Assessment of Airborne Disease Transmission Risk and Energy Impact of HVAC Mitigation Strategies
Mortality during inpatient admissions for Takotsubo cardiomyopathy: can mortality be predicted with a scoring system?
Differences in Declines in Pediatric ED Utilization During the Covid19 Pandemic by Socioeconomic Disadvantage.
Estimating the direct Disability-Adjusted Life Years (DALYs) associated with SARS-CoV-2 (COVID-19) in the Republic of Ireland: The first full year
To share or not to share - What the general public thinks about global COVID-19 vaccine distribution
Ensemble forecast of COVID-19 in Karnataka for vulnerability assessment and policy interventions
A mixture of essential oils from three Cretan Aromatic Plants (thyme, Greek sage and Cretan dittany, CAPeo) inhibits SASR-CoV-2 proliferation: in vitro evidence and a Proof-of-Concept intervention study in mild ambulatory COVID-19-positive patients
Long COVID in Children and Adolescents: A Systematic Review and Meta-analyses.
Ethnic disparities in immunisation: analyses of zero-dose prevalence in 64 low- and middle-income countries
Development of a clinical model to predict vagus nerve stimulation response in pediatric patients with drug-resistant epilepsy
An outbreak of SARS-CoV-2 in a public-facing office in England, 2021