Viral Diseases Technical Articles


Article published the July 2, 2020:

Field Efficacy of an Attenuated Infectious Bronchitis Variant 2 Virus Vaccine in Commercial Broiler Chickens

1. Introduction Infectious bronchitis virus (IBV) is a single-stranded enveloped RNA virus that belongs to the genus Gammacoronavirus, family Coronaviridae [1]. The virus causes a clinical disease characterize...
Author/s :
Ahmed AliAhmed NabilMagdy El SayedWael ElfeilWalid Kilany
9 0
Article published the July 2, 2020:

Identifying Intra-Specific Variability in the Virulence of Eimeria tenella Using SCAR Markers

INTRODUCTION Coccidiosis, caused by protozoa of the genus Eimeria, is one of the most important parasitic diseases in chickens and is characterized by intestinal lesions, blood loss, body weight loss, a poor f...
Author/s :
Abeer F. El-NahasHany EllakanyNahed El-shallWael Elfeil
8 0
Article published the June 29, 2020:

Variations in Pathogenicity and Molecular Characterization of Infectious Bursal Disease Virus (IBDV) in Egypt

Introduction The Infectious Bursal Disease Virus (IBD/IBDV) or Gumboro Disease is an acute highly contagious viral disease of young chickens characterized by a hemorrhagic syndrome, severe damage in cloacal bu...
Author/s :
Wael Elfeil
12 0
Article published the June 23, 2020:

Genetic Variation among Avian Pathogenic E. coli Strains Isolated from Broiler Chickens

INTRODUCTION Escherichia coli is one of the major infectious agents that can cause tremendous problems in chickens. Pathogenic E. coli strains can be classified into intestinal and extra-intestinal E. coli ac...
Author/s :
Soad NasefWael Elfeil
15 0
Article published the April 22, 2020:

Protective Efficacy of Different Live Attenuated Infectious Bronchitis Virus Vaccination Regimes Against Challenge With IBV Variant-2 Circulating in the Middle East

Introduction Avian Infectious bronchitis (IB) is a highly contagious and economically important worldwide viral disease of chickens. It affects chickens of all ages with severe signs in younger birds and high ...
Author/s :
Wael ElfeilWalid Kilany
22 0
Article published the March 2, 2020:

Near-Complete Genome Sequence of Infectious Bronchitis Virus Strain VFAR-047 (GI-16 Lineage), Isolated in Peru

Infectious bronchitis virus (IBV) (Coronaviridae, Gammacoronavirus) is an economically significant pathogen of the poultry industry worldwide. It causes low egg and meat production and the highly contagious res...
Author/s :
Luis TatajeManolo Fernandez DiazPh. D. Mirko ZimicRay Izquierdo
34 0
Article published the February 27, 2020:

Is agnostic diagnostic the future?

A recent study by Butt and others demonstrates that random next generation sequencing can be successfully used for diagnostic identification and genotyping of Newcastle disease viruses present in paraffin embed...
Author/s :
Claudio Afonso
152 1
Article published the December 10, 2019:

Regulation of T Lymphocyte Subpopulations in Specific Pathogen-Free Chickens Following Experimental Fowl Adenovirus-VIII Infection

INTRODUCTION Inclusion body hepatitis (IBH) is caused by fowl adenovirus (FAV) and induces acute infection in chickens. FAV is mainly infectious for young chickens, and is characterized by many pathological ch...
Author/s :
Hyun Lillehoj
212 0
Article published the September 2, 2019:

Evaluation of unintended 1/96 infectious bronchitis vaccine transmission in broilers after direct contact with vaccinated ones

Infectious bronchitis (IB) was described in the USA for the first time as a respiratory disease of chickens. Its aetiological agent was isolated in 1936 and then identified as a Gammacoronavirus, namely infecti...
Author/s :
Gema RamonGiovanni FranzoKonstantinos KoutoulisMattia Cecchinato
600 6
Article published the August 22, 2019:

Phytocee augments Cell mediated Immunity by enhancing NK cell activity

Natural killer (NK) cells, an important component of innate immunity, are a distinct lineage of lymphocytes defined by the expression of CD56 and NKp46 and by the absence of CD3, providing a first line of defen...
Author/s :
183 3
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