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Table 1 Epidemiological characteristics of measles outbreaks reported in Iran from years 2006 to 2016

From: Seroconversion rates following 2 doses of measles- mumps- rubella vaccination given at the ages 12 and 18 months: data for possible additional dose at older age

Author/ reported province

Years of outbreaks

No of cases

Involved age groups

Vaccination status

Nejati et al. [14]

Sisdtan- Bluchestan

2006–11

456 cases

All age groups:

48% in < 5 yrs

34% in 5–9 yrs

One dose: 11.2%

2-dose: 27.8%, not vaccinated: 55.1%

Izadi et al. [15]

southeast of Iran

2009–10

126 cases (2 main outbreaks)

All age groups

42% ≥ 7 yrs

6.3% > 20 yrs

2-doses vaccine efficacy:74.2%

Moghaddam et al. [16]

Fars

2012

7 cases

11 months–35 yr

2-cases: unknown

3cases full vaccinated

2 cases Non-vaccinated

Karami et al. [17]

National level

2012 and 2014

2012:232 cases

2014: 142 cases

All age groups

22.7%: < 12 mo

19.3%: vaccinated

36.5%: non-vaccinated

Piri et al. [18], National level

2014–2016

759 cases

31.1%: < 1 yr

13.2%: 1–4 y

11.6%:5–9 y

 < 1 yr: 0.9% vaccinated

1–4 yr: 9% vaccinated

5–9 yr: 7.1% vaccinated

23.3%: vaccinated

  1. 2–14 years after the national MR immunization program of 5–25 years-old population and the onset of two-dose MMR immunization program of ≥ 12 months old children in the country