Microbiology All of the following statements about parvovirus B-19 are true, except – A <10% spread by transplacental route B Respiratory route is the primary mode of transmission C It is a DNA virus D Affects erythroid progenitors 💡 Explanation All of the following statements about parvovirus B-19 are true, except - ✓ Correct Answer: A. <10% spread by transplacental route