Major factors contributing to the selective pressure for antibiotic resistant bacteria include all of the following ( )
选项:
A:the use of antibiotics in animal feed for their growth promoting effects.
B:immunity of antibiotic resistant bacteria to viral infection.
C:contamination of the hospital environment with antibiotics.
D:inappropriate administration of antibiotics for viral illnesses.
发布时间:2024-05-21 15:55:31