What are some pathways by which multiple virions can be transmitted to a single host cell in the case of poliovirus coinfection?

A. Transmission through the respiratory system, transmission through contaminated food and water, and transmission by insect vectors
B. Transmission by virion aggregates, transmission through the bloodstream, and transmission by cell-to-cell contact
C. Transmission by virion aggregates, transmission of viral genomes within membrane vesicles, and transmission by bacteria bound by several viral particles
D. Transmission by viral genomes within membrane vesicles, transmission by bacteria bound by several viral particles, and transmission through the lymphatic system
Answer: 