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Is it possible for a vertically transmitted infection to skip a generation ?,i.e. the 1st & 3rd generations being symptomatic, but the 2nd generation is an asymptomatic carrier of the microbe.Any examples of this phenomenon in humans or other animals ?
If it is an infection, then why would it be limited to vertical infection?
Quote If it is an infection, then why would it be limited to vertical infection? In the scenario I was thinking of the 1st generation had never met the 3rd but had transmitted the infection to them via an asymptomatic 2nd generation. So horizontal transmission from 1st to 3rd would not be possible.