Avian infectious bronchitis is a contagious viral disease, caused by avian infectious
bronchitis virus (IBV), that leads to severe losses in the poultry industry all over the world …

Coronavirus disease (COVID-19), caused by the virus SARS-CoV-2, is already responsible
for more than 4.3 million confirmed cases and 295,000 deaths worldwide as of May 15 …

Background The persistence of severe acute respiratory syndrome-coronavirus 2 (SARS-
CoV-2) RNA in the body fluids of patients with the novel coronavirus disease 2019 (COVID …

The antigenic and molecular characteristics of BR-I infectious bronchitis viruses (IBVs)
isolated from Brazil are reported. IBVs isolated from commercial flocks with different clinical …

Avipoxvirus affects chickens and wild birds, and it is characterized by lesions on the
nonfeathered parts of the body (the cutaneous form), or necrotic lesions in the upper …

Reticuloendotheliosis virus (REV) is a retroviral pathogen capable of infecting several avian
hosts and is associated with immunosuppression, anemia, proventriculitis, neoplasia, and …

There are several viral diseases in captive birds. Aves polyomavirus 1 (APyV) and beak and
feather disease virus (BFDV) are among the most important in Psittaciformes. The …

Infectious bronchitis virus (IBV) is one of the economically most important diseases affecting
the South American poultry industry. The extensive genomic heterogeneity of IBV is a …

Pandemic respiratory viruses of poultry have caused significant economic losses in the
poultry industry since the 1930s, and molecular and genetic techniques are widely used for …

IBV is one of the viral illnesses that occurs most often in the poultry sector, and it is caused
by the Gamma Coronavirus genus and the Coronaviridae family. In this experiment, fifty …