Which of the following is a virulence factor of Ehrlichia chaffeensis that aids in its ability to infect monocytes?

How does Ehrlichia chaffeensis primarily ensure its survival and replication within monocytes?

What role does the formation of intracellular microcolonies play in the infection process of Ehrlichia chaffeensis?

Which of the following mechanisms allows Ehrlichia chaffeensis to establish infection within monocytes?