Which of the following lists common portals of exit and common portals of entry for respiratory pathogens?

Exit: wastewater systems and sewer vents exclusively; Entry: hair follicles and nails as the primary routes for all pathogens

Exit: ears and tear ducts only; Entry: gastrointestinal ingestion exclusively

Exit: nose, mouth, respiratory secretions; Entry: nose, mouth, eyes, skin breaks

Exit: gastrointestinal tract only; Entry: only via insect bite or parenteral introduction into blood vessels