agriculture

3. The invasion and multiplication of pathogens in an organism.
5. Proteins produced by the immune system to neutralize pathogens.
9. lives in another organism
12. Measures taken to protect against the spread of harmful organisms.
13. A restriction on the movement of animals to prevent the spread of disease.

1. a flavivirus related to dengue, yellow fever and West Nile viruses
2. A sudden increase in the number of cases of a disease.
4. The study of how diseases spread and can be controlled.
6. A substance used to stimulate the production of antibodies and provide immunity against one or several diseases.
7. a mortality rate of 100% and is viral
8. A microorganism that causes disease in its host.
10. The ability of an organism to resist a particular infection or toxin.
11. Diseases that can be transmitted from animals to humans.