ARTICLE

Measles is an exanthem, caused by an RNA virus of the genus Morbillivirus and the family Paramyxovirus.1 Measles is one of the oldest childhood diseases; the first written record goes back to the 10th century.2 The introduction of an effective vaccine has brought measles under reasonable control in the many countries where vaccination coverage is high, and the disease usually occurs only as occasional epidemics among schoolchildren.3-5 However, in developing countries, measles is still one of the top killers of children.6-8 Sustained (endemic) occurrence of measles and unclear epidemic outbreaks have been noted in places where there is an influx of susceptible (non-immunised) individuals from rural areas.3 Periodic mass measles vaccination has been recommended as a cost-effective means of disease control.9 According to the Uganda National Expanded Program o