Final answer:
Persistent infections are a type of infection in which cells are infected but show no cytopathic effects. These infections can be either latent or chronic.
Step-by-step explanation:
Persistent infections are a type of infection in which cells are infected but show no cytopathic effects. These infections can be either latent or chronic. In latent infections, the causal pathogen goes dormant for extended periods of time with no active replication, while chronic infections are diseases with recurrent or persistent symptoms over a long time.