The spread and maintenance of infections in vertebrates and arthropods.
D000818:Animals; D001179:Arthropod Vectors; D002353:Carrier State; D002980:Climate; D003140:Communicable Disease Control; D004197:Disease Reservoirs; D004199:Disease Vectors; D004956:Estivation; D006801:Humans; D010272:Parasitic Diseases / Q000209:etiology; D011315:Preventive Medicine; D011817:Rabbits; D015047:Zoonoses