SEOUL, South Korea – A deadly virus has prompted South Korean airlines to suspend more than half of their flights to China, industry sources said Tuesday.

As of Tuesday, industry leaders, Korean Airline and seven other airlines, had temporarily suspended 55 of their 100 routes to neighboring countries due to the infection.

The airline has also decided to reduce flights on 17 routes to Chinese cities, including Beijing.

Korea Airlines, the country's carrier, has decided to suspend 20 of China's 31 routes while cutting heavy flights on eight routes.