Table 2.
Varicella vaccine immunization status of study population with respect to age stratas
| Year | Children age ≤ 5 years | Children age 6–17 years | Patient age ≥ 18 years |
|---|---|---|---|
| 2011 | None | None | None |
| 2012 | None | None | None |
| 2013* | Yes for children age ≤ 12 months | None | None |
| 2014 | Yes for children age ≤ 24 months | None | None |
| 2015 | Yes for children age ≤ 36 months | None | None |
| 2016 | Yes for children age ≤ 48 months | None | None |
| 2017 | Yes for children age ≤ 60 months | None | None |
| 2018 | All | Yes for children age ≤ 12 months | None |
| 2019 | All | Yes for children age ≤ 24 months | None |
*Varicella vaccination introduced Turkish national immunization program in year 2013. World Health Organization (WHO) reported a national coverage for the Varicella vaccine 97% in 2013, 96% in 2014, 97% in 2015, 98% in 2016, 96% in 2017 and in 2018.