The only thing anyone was trying to find out is what percentage of Zambian children are vaccinated, and this is the data, collected on paper over weeks, from a single district, which is something like a county in the United States.
Det eneste vi ville finde ud af var, hvilken andel af Zambiske børn  som var vaccineret. Det her er dataen indsamlet i ugevis på papir fra ét enkelt distrikt,  som svarer til en kommune i USA.