Microbiology AVDRL reactive mother gave bih to an infant. All of the following would help in determining the risk of transmission to the infanct except – A TPHA test on the serum sample of the mother B TPHA test on the serum samle of the infant C VDRL on the paired serum sample of the infant and mother D Time interval between the treatment of the mother and her delivery 💡 Explanation AVDRL reactive mother gave bih to an infant. All of the following would help in determining the risk of transmission to the infanct except - ✓ Correct Answer: B. TPHA test on the serum samle of the infant