The Zika tally in Kerala has touched 18 after a 22-month-old toddler, a 29-year-old health worker and a 46-year-old man tested positive for the disease, Health Minister Veena George announced on Sunday.

The minister, in a statement, also said that out of the 27 samples sent for testing in two batches, 26 turned out negative. In the third batch, three samples were found positive on Sunday.