Deforested areas increase contact between wildlife and humans and affect pathogentransmission.
毁林地区野生动物与人类的接触增加，导致病原体的传播。
2
Moreover, clinically healthy pigs could carry S. suis in their nasal cavities, tonsils and upper respiratory tracts, contributing to the dissemination and transmission of this pathogen.
另外，健康猪只在鼻腔、扁桃体、上呼吸道和支气管也可以携带猪链球菌，加速了这种疾病的扩散和传播。
3
That suggests a different method of transmission, and possibly a different pathogen entirely.