Volume 20, Number 4—April 2014
Research
Epidemic of Mumps among Vaccinated Persons, the Netherlands, 2009–2012
Figure

Figure. . . Numbers of notified mumps cases, by week of onset, The Netherlands, September 1, 2009–August 31, 2012 (N = 1,557 cases). Seasons and number of cases (n) are indicated; black line indicates 3-week moving average.