The primary schedule analysis study period was from 08 December 2020, when the vaccination programme began, to 31 May 2022 (after those eligible to receive a second COVID-19 vaccine had the opportunity to receive it). Individuals were entered into this cohort if they received their first COVID...
Cases were children age from 9 to 23 months who missed at least one dose from the routine vaccine and controls were completed the entire routine vaccine schedule. Data was entered to Epi-data version 3.1 and exported to SPSS version 23 for statistical analyses. Binary and multivariable logistic...