A previous version of this report misstated the number of individuals infected by the coronavirus on a Japan cruise ship. The story has been corrected.

View of Les Contamines-Montjoie, near Mont Blanc in the French Alps, where five British nationals including a child have tested positive for the new coronavirus. AFP via Getty Images

The director-general of the World Health Organization warned Sunday that countries outside of China should be prepared for the spread of the deadly new coronavirus to accelerate, saying that it’s possible only the tip of the iceberg has been see: