Page 148 of articles about health

The immune system and immunity in swine. Specific humoral immunity (1/2): Ig types and structure
Specific humoral immunity is mediated by glycoproteins called antibodies or immunoglobulins.
OIE, FAO and WHO enlarge their collaboration commitment to face health challenges

Clinical case: The possible ways of App spreading and stopping
Once the first symptoms of the infection emerged in pigs the facility was locked and the possibility to get in from outside was the only used.