According to this report, all airports in Iran as well as Afghanistan are safe in terms of enhanced aircraft disinfection for mitigating risks of transmission of the COVID-19 infection.
The list is developed in coordination with EASA Member States and based on the information from WHO, ECDC and other reputable public health institutes.
The report take into account different parameters in addition to the testing ratio, for assessing a country or region’s risk of transmission, such as: number of active cases, number of recovered cases, trend of active cases/day, trend of new cases/day, number of tests/inhabitants, deaths/inhabitants, trend of deaths/day, cases in urban vs. rural areas, number & size of the airports serving a certain area/population, and reproduction index which if it is higher than 1, it should be considered in correlation with other factors and should be seen as an indication of exponential increase.
The report is not intended to suggest travel restrictions or other public health measures.
To see the report click on https://www.easa.europa.eu/sites/default/files/dfu/annex_1_to_easa_sd_2020_01_and_easa_sd_2020_02_-_issue_15.pdf