Changes

=Epidemiology=

=Epidemiology=

*Can persist on infected premises for months

The virus can persist on infected premises for months. Subacute recovered pigs become antibody-positive carriers.

*Subacute recovered pigs become antibody-positive carriers

* Viral transfer occurs as follows:

*Transfer:

**Africa: vertical transfer between '''soft ticks'''

**Africa: vertical transfer between '''soft ticks'''

**Europe/Africa: '''direct contact''' with carrier pigs, '''aerosol''', infected swill, etc.

**Europe/Africa: '''direct contact''' with carrier pigs, '''aerosol''', infected swill, etc.