Results 11 to 20 of about 6,045,153 (304)

Operator Product Expansion in Logarithmic Conformal Field Theory [PDF]

open access: yesNucl.Phys. B634 (2002) 511-545, 2001
In logarithmic conformal field theory, primary fields come together with logarithmic partner fields on which the stress-energy tensor acts non-diagonally. Exploiting this fact and global conformal invariance of two- and three-point functions, operator product expansions of logarithmic operators in arbitrary rank logarithmic conformal field theory are ...
Bernard   +97 more
arxiv   +5 more sources

Correlation functions in a c=1 boundary conformal field theory [PDF]

open access: yesJHEP 0501 (2005) 047, 2004
We obtain exact results for correlation functions of primary operators in the two-dimensional conformal field theory of a scalar field interacting with a critical periodic boundary potential. Amplitudes involving arbitrary bulk discrete primary fields are given in terms of SU(2) rotation coefficients while boundary amplitudes involving discrete ...
A. Sen   +20 more
arxiv   +3 more sources

Cholera outbreak in some communities in North-East Nigeria, 2019: an unmatched case–control study

open access: yesBMC Public Health, 2023
Background Cholera, a diarrheal disease caused by the bacterium Vibrio cholerae, transmitted through fecal contamination of water or food remains an ever-present risk in many countries, especially where water supply, sanitation, food safety, and hygiene ...
Idowu O. Fagbamila   +10 more
doaj   +1 more source

Characteristics of COVID-19 cases and factors associated with their mortality in Katsina State, Nigeria, April-July 2020

open access: yesJournal of Interventional Epidemiology and Public Health, 2021
Introduction: COVID-19 was first detected in Daura, Katsina State, Nigeria on 4 April 2020. We characterized the cases and outlined factors associated with mortality.
Suleiman Idris Ahmad   +22 more
doaj   +1 more source

Factors associated with contracting Severe Acute Respiratory Syndrome Corona Virus type-2 in Norton Town, Zimbabwe, 2021: a case-control study

open access: yesJournal of Interventional Epidemiology and Public Health, 2022
Introduction: Coronavirus disease 2019 (COVID-19) is a disease of global public health concern. Norton Hospital recorded 120 people who tested positive for Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) on Reverse Transcriptase-Polymerase ...
Memory Chimsimbe   +6 more
doaj   +1 more source

COVID-19 Outbreak Investigation in a boarding school, Marondera district, Mashonaland East Province, Zimbabwe, 2020: A case-control study

open access: yesJournal of Interventional Epidemiology and Public Health, 2022
Introduction: On the 23rd of November 2020, 14 days after the full re-opening of schools, a student from a boarding school in Mashonaland east province had an influenza-like illness which was confirmed as COVID-19.
Farai Josphas Chitiyo   +5 more
doaj   +1 more source

Exposure to known COVID-19 infection risk factors among healthcare workers responding to COVID-19 outbreak in Lagos State, Nigeria-2020

open access: yesJournal of Interventional Epidemiology and Public Health, 2021
Introduction: Globally, over 790,000 deaths of COVID-19 cases were reported by August 20, 2020, these numbers included healthcare workers (HCW). The high infection rate among HCW to COVID-19 is worrisome requiring countries to protect them.
Olugbenga Odukanmi   +9 more
doaj   +1 more source

Determinants of improved data consistency across routine immunization data tools for health facilities in Kano State, Nigeria

open access: yesThe Pan African Medical Journal, 2020
INTRODUCTION: In this study, determinants of improved data consistency for routine immunization information at health facilities was measured to identify associated factors.
Adekunle Akerele   +8 more
doaj   +1 more source

The Epidemiology of Chickenpox in England, 2016–2022: An Observational Study Using General Practitioner Consultations

open access: yesViruses, 2023
Chickenpox is a common childhood disease caused by varicella-zoster virus (VZV). VZV vaccination is not part of the UK childhood immunisation programme, but its potential inclusion is regularly assessed.
Megan Bardsley   +10 more
doaj   +1 more source

Factors associated with health-seeking patterns among internally displaced persons in complex humanitarian emergency, Northeast Nigeria: a cross-sectional study

open access: yesConflict and Health, 2023
Background Currently, over two million persons are internally displaced because of the complex humanitarian emergency in Nigeria’s northeast region. Due to crowded and unsanitary living conditions, the risk of communicable disease transmission, morbidity,
Saheed Gidado   +17 more
doaj   +1 more source

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