Translations:Basic Field Epi: Course Resource Book/266/en
Maintenance - Infectious agents need to survive over time or the infection will disappear. Infectious agents have developed different ways to survive either in animals or the environment.
Maintenance - Infectious agents need to survive over time or the infection will disappear. Infectious agents have developed different ways to survive either in animals or the environment.
Halaman ini terakhir diubah pada 26 Agustus 2014, pukul 20.24.