The two countries become the first in the World Health Organization's (WHO) South-East Asia Region to be verified as having interrupted endemic measles virus transmission.
Some previous and active measles outbreaks in other European countries have been epidemiologically linked to the Romanian outbreak.
The US Centers for Disease Control and Prevention (CDC) has issued travel notices for Romania, Belgium, Italy, and Germany.
More than 500 measles cases were reported for January 2017 in the World Health Organization (WHO) European Region.
The Pan American Health Organization (PAHO) announced that North, Central, and South America have rid themselves of the disease.
A fact sheet for rubella.
More than 200 people have come down with measles since mid-July in five villages in the Naga Self-Administered Zone of northwestern Myanmar.