1. A geographic area where disease transmission occurs or is likely to occur, typically defined by environmental, epidemiological, or ecological factors
The transmission zone for malaria extends across tropical regions with standing water.
A zona de transmissão da malária se estende por regiões tropicais com água parada.
2. In epidemiology, a region characterized by specific conditions that facilitate the spread of infectious diseases
Health authorities identified the transmission zone and implemented containment measures.
As autoridades de saúde identificaram a zona de transmissão e implementaram medidas de contenção.
3. An area where vector-borne or environmental transmission of pathogens is active
The dengue transmission zone was expanded due to climate change.
A zona de transmissão da dengue foi expandida devido às mudanças climáticas.