A. Non-human to human
B. Infected to uninfected
C. Mother to infant
D. None of these
Submitted by: Areesha Khan
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Perinatal transmission refers to the transmission of pathogens from a mother to her baby during the perinatal period, which includes late pregnancy and early infancy.
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The correct answer to the question: "Perinatal transmission is said to occur when a pathogen is transmitted from:" is "Mother to infant".