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In order for cross-species transmission to occur A. there must be contact between the virus and...

In order for cross-species transmission to occur A. there must be contact between the virus and host B. the infection needs to be amplified within the host C. variants need to be produced in the new host that allow for transfer to other humans D. all of the above

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Answer #1

the answer is D all of the above

a cross species transmission is a the ability of a virus to jump from its orignal host species to a new host species ,cause and spread the infection.

the steps which are involved are all mentioned in the objective A,B,C a contact between host and the virus is required ,the infection then requires to be amplified in the infected host and its varient  it has to be produced so that it can spread to other individual of the population of the new host.

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