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.,

Classifica

Stile di visualizzazione

Opzioni

Cambia modello

Ripristinare il titolo salvato automaticamente: ?