Which of the following is a way to prevent attenuation and maintain virulence in a bacterium?
A. laboratory subculture
B. animal passage
C. polymerase chain reaction (PCR)
D. antibiotic therapy
Answer:B
Which of the following is a way to prevent attenuation and maintain virulence in a bacterium?
A. laboratory subculture B. animal passage C. polymerase chain reaction (PCR) D. antibiotic therapy