Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Waning of mRNA-1273 vaccine effectiveness against SARS-CoV-2 infection in Qatar
Statistical challenges of investigating a disease with a complex diagnosis
Association of NRAMP1-INT4 gene with Susceptibility to Tuberculosis in the Sudanese Population: A Case-Control Study
Informing patterns of health and social care utilisation in Irish older people according to the Clinical Frailty Scale
qPCR in a suitcase for rapid Plasmodium falciparum and Plasmodium vivax surveillance in Ethiopia
Understanding community level influences on COVID-19 prevalence in England: New insights from comparison over time and space
Trends of COVID-19 pediatric admissions number during the first 24 weeks of COVID-19 vaccination in Rio de Janeiro, Brazil
Policies for Easing COVID-19 Pandemic Travel Restrictions
The Knowledge and Attitude of Physicians Regarding Vaccinations in Yerevan, Armenia: Challenges for COVID-19
A Real World Evaluation of the safety and immunogenicity of the Covishield vaccine, ChAdOx1 nCoV- 19 Corona Virus Vaccine (Recombinant) in Health Care Workers (HCW) in National Capital Region (NCR) of India: A preliminary report
Humoral and cellular responses to mRNA vaccines against SARS-CoV2 in patients with a history of CD20-B-cell depleting therapy
A systematic review of the impact of the Alpha and Gamma variants of concern on hospitalization and symptomatic rate of SARS-CoV-2
A non-systematic signal-correction error in a commercial multiple-breath washout device significantly impacts outcomes in children and adults
Cortical and STN spectral changes during limb movements in PD patients with and without dystonia
Cellular and humoral immune response to a third dose of BNT162b2 COVID-19 vaccine - a prospective observational study
Prevalence of Chronic Diseases, Depression, and Stress among U.S. Child Care Professionals during the COVID-19 Pandemic
Associations of the BNT162b2 COVID-19 vaccine effectiveness with patient age and comorbidities
Causal Associations of Self-Reported Walking Pace with Telomere Length in 405,981 middle-aged adults: a UK Biobank study
Early diagnosis of coeliac disease in the Preventive Youth Health Care Centres in the Netherlands: study protocol of a case-finding study (GLUTENSCREEN).
Is virtual care the new normal? Evidence supporting Covid-19's durable transformation on healthcare delivery
Platelet expression and reactivity after BNT162b2 vaccine administration
Epidemiological and clinical features of SARS-CoV-2 Infection in children during the outbreak of Omicron Variant in Shanghai, March 7-March 31, 2022
Analysis across Taiwan Biobank, Biobank Japan and UK Biobank identifies hundreds of novel loci for 36 quantitative traits
Downsizing food: A systematic review and meta-analysis examining the effect of reducing served food portion sizes on daily energy intake and body weight
Whole exome sequencing in the UK Biobank reveals risk gene SLC2A1 and biological insights for major depressive disorder
Assessment of correlations between risk factors and symptom presentation among defined at-risk groups following a confirmed COVID-19 diagnosis