infectivité
Infectivity refers to the capacity of an infectious agent, such as a virus, bacterium, fungus, or parasite, to establish an infection in a host. It is a fundamental property that determines how easily a pathogen can spread and cause disease. Infectivity is influenced by several factors related to the pathogen itself, including its ability to adhere to host cells, penetrate host defenses, replicate within the host, and overcome the host's immune responses.
The degree of infectivity can vary significantly among different pathogens and even among strains of the same
Infectivity is a critical component in the study of epidemiology and public health. Understanding a pathogen's