NEW DELHI, May 25 -- The Centre on Monday stepped up Ebola surveillance and reviewed nationwide preparedness measures as the outbreak in Central Africa continued to expand, prompting heightened global concern.

Health minister J.P. Nadda chaired a high-level review meeting with senior officials and directed authorities to keep screening, tracking and testing systems on high alert, even as the government said no Ebola case has been reported in India so far.

Nadda also asked the Indian Council of Medical Research (ICMR) and the National Centre for Disease Control (NCDC) to keep tracking, testing and surveillance systems in a constant state of readiness.

The stepped-up surveillance comes after the World Health Organization (WHO) flagged a ...