THE BOOSTER IMMUNIZATION USING COMMERCIAL VACCINES EFFECTIVELY PROTECT CHICKENS AGAINST NOVEL VARIANTS OF INFECTIOUS BURSAL DISEASE VIRUS (GENOTYPE A2DB1)

ABSTRACT: The novel variant IBDV (nVarIBDV, genotype A2dB1), characterized by bursal atrophy of fabricius and decreased lymphocytes, has been emerging on a large scale in Asia (including China) since late 2018.nVarIBDV is a new threat to the poultry industry, yet the currently licensed commercial vaccines, including the live viral vector vaccine, I

Contaminated surfaces are one of the ways that coronavirus disease 2019 (COVID-19) may be transmitted.SARS-CoV-2 can be detected on environmental surfaces; however, few environmental sampling studies have been conducted in nonclinical settings.The objective of this study was to detect SARS-CoV-2 RNA on environmental surfaces in public areas in Las

The Roman bridge near Canosa di Puglia (Southern Italy) currently has a very different morphology from the one planned by its builders in the second century AD as part of the program for the construction of the Via Traiana.Although the piers, the abutments and the foundation platea are still preserved from the Roman age, the changes made over the c

CNC machine is the one of the major reasons for industrial advancement in recent decades for its ability of producing accurate parts.The most commen CNC machines are of 3-axis and adopted widely in the industrial sector.However, for producing more complicated parts 5-axis twist e liquid crimson no 1 CNC machines are required.Although the introducti