Epidemiologic survey of documented measles outbreak in Tehran

Background: In spite of extended vaccination programs against measles, it is the most
preventive contagious disease that leads to death. For adaptation of WHO policy for measles
in Iran; we should determine susceptible age population whom at present lay out of current
vaccination program .
Methods and Materials: In this descriptive study which was performed in the public health
School of the Tehran medical university ; we obtained 131 documented measles cases among
650 suspected case of measles ( as WHO discrimination ) According to serum samples
analysis ( capture IgM EIA 71% and 29 % HI ).
Results: In this study 63. 4 % of cases were male and 39.6 % were females. Between patients,
the most prevalent age group was between 15 - 19 years old. Two peaks of the time of the disease
were March and June. History of past vaccination against measles showed that 43 % had
unknown history; 24. 4 % had two vaccination; 39. 3 % had one vaccination and 3.1 % had no
vaccination history.
Conclusions: It is suggested (by further investigations in future) the need for revaccination of
measles for age group of 15-19 in Iran will be determined