Dhaka, Jan. 26 -- No positive case has been detected in India so far although samples of seven passengers have been sent to a Pune lab, said Union Health Minister Harsh Vardhan.

An around-the-clock call centre has been made operational.

Samples of four other passengers tested earlier have been confirmed to be negative for nCoV by the lab.

"Today, 99 new passengers arrived in the state. This makes a total of 179 persons under surveillance. Only seven people have any kind of symptoms. They have mild symptoms. We have sent their blood and respiratory specimen samples to the National Institute of Virology, Pune," said a senior health official of Kerala.

A person each from Thrissur, Thiruvananthapuram, Pathanamthitta and Malappuram and thr...