Translations:Advanced Field Epi:Manual 1 - Disease Control and Eradication Programs/19/en
|- | style="border-top:0.5pt solid #00000a;border-bottom:none;border-left:none;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Spread can be stopped by a physical barrier such as a fence | style="border-top:0.5pt solid #00000a;border-bottom:none;border-left:none;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Physical barriers of limited effectiveness in preventing spread