epidemic - When many people over a large area are infected with the same pathogen at the same time., hygiene - Keeping things clean, by removing or killing pathogens., oral route - When something enters the body through the mouth. , vector - Something that transfers things from one place to another.,

SB5e Spreading pathogens

Leaderboard

Visual style

Mga Option

I-switch ang template

I-restore ang gi-autosave: ?