The World Health Organization say the source of Nipah virus infection is not yet fully understood. (AP PHOTO)The World Health Organization say the source of Nipah virus infection is not yet fully understood. (AP PHOTO) Credit: AAPThere is a low risk of the deadly Nipah virus spreading from India, the World Health Organization says, ‍adding that it did not recommend travel or trade curbs after two infections reported by the South Asian nation. But it did not rule out further exposure to ‍the virus, which circulates in the bat population in parts of India and neighbouring Bangladesh. Small outbreaks are not unusual and virologists say the ​risk to the general population remains low.