In 2017, four countries in the Region of the
Americas reported confirmed cases of
measles Argentina,
Canada, the United States of America, and the Bolivarian Republic of
Venezuela. In the first three months of 2018, there were eight countries in the Region
reporting confirmed cases
Antigua and Barbuda (1 case),
Brazil (8 cases),
Canada (3 cases),
Guatemala (1 case),
Mexico (1 case),
Peru (1 case), the
United States (11 cases), and
Venezuela (159 cases).