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Question

Which of the following disease is not transmitted through a placenta?

A
Hepatitis A
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B
Hepatitis B
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C
Aquired Immunodeficieny Syndrome (AIDS)
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D
Syphilis
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Solution

The correct option is A Hepatitis A
Hepatitis A virus is not transmitted from infected mothers to newborn infants, as anti-hepatitis A virus IgG antibodies present during initial stages of HAV infection cross the placenta and provide protection to the infant after delivery. Hepatitis A virus is generally acquired by the faecal-oral route by either person-to-person contact or ingestion of contaminated food or water. Hepatitis A is an enteric infection spread by contaminated excreta.
So, the correct answer is option A.

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