Nipah virus, Jan. 27 -- Several airports in Asia, including Thailand, Nepal have stepped up screening measures after cases of the deadly Nipah virus were reported in West Bengal in India.

Till date, two confirmed cases of Nipah Virus Disease have been reported from West Bengal since December last year, the Union health ministry said on Tuesday, citing reports received from the National Centre for Disease Control (NCDC).

The virus has a high mortality rate - ranging from 40% to 75% - with no medicine or vaccine available to treat it. This means that out of every 100 people who are infected by Nipah virus, around 40-70 people could die.

On Sunday, 25 January, Thailand began screening fliers from West Bengal at three international airport...