HYDERABAD: There is a low risk of the deadly Nipah virus spreading from India, the World Health Organization said on Friday, adding that it did not recommend travel or trade curbs after two infections reported by the South Asian nation. Hong Kong, Malaysia, Singapore, Thailand and Vietnam are among the Asian locations that tightened airport screening checks this week to guard against such a spread after India confirmed infections.

Several Asian countries have introduced screening measures for arrivals from India, as New Delhi seeks to dampen alarm.

Highly contagious virus, which spreads from animals to humans, has a high fatality rate and there is no vaccine