India's Kerala state on alert after 15 cases reported
Kerala Health Minister Veena George confirmed the infections in Trivandrum (now Thiruvananthapuram) district.
India reported a Zika outbreak in the western state of Gujarat in 2016-17.
The mosquito-borne virus has been linked to shrunken brains in children and a rare auto-immune disease called Guillain-Barre syndrome. (BBC News)
