Because the only way we can actually find out how many children were vaccinated in the country of Indonesia, what percentage were vaccinated, is actually not on the Internet, but by going out and knocking on doors, sometimes tens of thousands of doors.
For den eneste måde vi kan finde ud af hvor mange procent af børn  som er vaccineret i Indonesien, er ikke på internettet,  men ved at gå ud og banke på nogle gange titusindvis af døre.