Answer in brief:
1) List down the viruses that attack the humans, cattle ,plants and bacteria.
2) All microorganisms are not pathogens. Give reason.
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Answer in brief:
Answer:1. The viruses most frequently associated with BRD include infectious bovine rhinotracheitis virus, a type 1 bovine herpesvirus (BHV1), parainfluenza virus type 3 (PI3), bovine respiratory syncytial virus (BRSV), and bovine viral diarrhea virus (BVDV).
Answer:2. Most bacteria are not pathogenic. Those that are contain specific virulence genes that mediate interactions with the host, eliciting particular responses from the host cells that promote the replication and spread of the pathogen.
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