1. adapting or modifying (a virus, vaccine, or pathogen) to grow in avian (bird) cells or to infect birds, typically through serial passage in chicken embryos or bird tissue cultures
Usage: technical; virology and vaccine development; present participle or gerund form of 'avianize'

Examples

• The researchers are avianizing the influenza virus to study its behavior in avian hosts.
• Avianizing the vaccine strain required multiple passages through chicken embryos.
• The process of avianizing pathogens helps scientists understand cross-species transmission.
• By avianizing the virus, they created a model suitable for studying poultry diseases.
• The laboratory specializes in avianizing various respiratory viruses for research purposes.