En 1898, Friedrich y Paul Frosch encontraron evidencia de que la
causa de la altamente contagiosa fiebre aftosa en el ganado era una
partícula infecciosa microscópica. Se descubrió que esta partícula
requiere una célula huésped para reproducirse.
¿Qué patógeno es más probablemente responsable de causar la
fiebre aftosa en el ganado?
Un hongo,
porque infecta
al ganado.
Una bacteria,
porque es
contagiosa.
Un protista,
porque es
microscópico.
Un virus, porque
requiere una
célula huésped
para reproducirse.



Answer :

Final answer:

A virus is the probable pathogen causing foot-and-mouth disease in cattle due to its dependency on a host cell for reproduction.


Explanation:

A virus is most likely responsible for causing foot-and-mouth disease (fiebre aftosa) in cattle, as it was discovered that the pathogen requires a host cell to reproduce. Viruses are known for this characteristic, needing a host cell for replication. In the case of foot-and-mouth disease, the virus is the probable pathogen due to its requirement of a host cell for reproduction, aligning with the findings of Friedrich and Paul Frosch in 1898.


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