Excavation work during the construction of one of the facilities led to the opening of a 100-year-old cattle burial ground.

Excavation work during the construction of one of the facilities led to the opening of a 100-year-old cattle burial ground. After some time, quarantine was declared in this area in connection with the anthrax epidemic, the causative agent of which is bacteria. How can this situation be explained from the biological point of view?

1) there was a burial of animals infected with anthrax in the cattle cemetery; 2) spores remain viable for a long time, therefore, once they enter the body of a person or livestock, they cause anthrax

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