Translations:Basic Field Epi: Manual/379/en
In some diseases, infected animals may never develop clinical signs of disease. In other diseases almost all infected animals may develop signs of disease.
In some diseases, infected animals may never develop clinical signs of disease. In other diseases almost all infected animals may develop signs of disease.
Halaman ini terakhir diubah pada 25 Agustus 2014, pukul 09.22.