Translations:Basic Field Epi: Participants' Workbook/102/en
Epidemiology: NDV cases may show seasonal patterns, when more birds are brought to market (increased mixing) or when migratory birds travel to new locations.
Epidemiology: NDV cases may show seasonal patterns, when more birds are brought to market (increased mixing) or when migratory birds travel to new locations.
Halaman ini terakhir diubah pada 25 Agustus 2014, pukul 04.14.